Problems in Upgrade to PHP7

I am getting the following warning messgae in php compatibility checker for Blogger importer plugin

FILE: /home1/aarwinsw/public_html/wp-content/plugins/blogger-importer/blogger-importer.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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57 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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For Easy Azon Pro the following errors

FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/ResourceIteratorInterface.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/CompositeResourceIteratorFactory.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/ResourceIterator.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/Model.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/AbstractResourceIteratorFactory.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/ResourceIteratorFactoryInterface.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/MapResourceIteratorFactory.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/ResourceIteratorApplyBatched.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/easyazon-pro-4.0.17/components/localization/lib/geoip/vendor/guzzle/guzzle/src/Guzzle/Service/Resource/ResourceIteratorClassFactory.php
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FOUND 1 ERROR AFFECTING 1 LINE
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3 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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The following warnings for Genesis

FILE: /home1/aarwinsw/public_html/wp-content/themes/genesis/lib/functions/layout.php
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FOUND 0 ERRORS AND 6 WARNINGS AFFECTING 6 LINES
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510 | WARNING | Function name "__genesis_return_content_sidebar" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
525 | WARNING | Function name "__genesis_return_sidebar_content" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
540 | WARNING | Function name "__genesis_return_content_sidebar_sidebar" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
555 | WARNING | Function name "__genesis_return_sidebar_sidebar_content" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
570 | WARNING | Function name "__genesis_return_sidebar_content_sidebar" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
585 | WARNING | Function name "__genesis_return_full_width_content" is discouraged; PHP has reserved all method names with a double underscore prefix for future use
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The following warning for Pushpress

FILE: /home1/aarwinsw/public_html/wp-content/plugins/pushpress/class-pushpress.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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6 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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The following warning for SEO Friendly Images Plugin

FILE: /home1/aarwinsw/public_html/wp-content/plugins/seo-image/seo-friendly-images.class.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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14 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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The following warnings for THEMEDY TOOLBOX

FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/compatibility/themedy-visual-designer/themedy-visual-designer.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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14 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/custom-css/custom-css/csstidy/class.csstidy.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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249 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/custom-css/custom-css/csstidy/class.csstidy_print.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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69 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/custom-css/custom-css/csstidy/class.csstidy_optimise.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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50 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/custom-css/custom-css/custom-css.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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1580 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /home1/aarwinsw/public_html/wp-content/plugins/themedy-toolbox/custom-css/custom-css/class.jetpack-user-agent.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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99 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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Please tell me how to fix these errors and warnings.