Update AWS SDK to 2.6.12

See here for more infomation about version of the SDK: https://github.com/aws/aws-sdk-php/releases/tag/2.6.12
Change use to font icon for menu.
AWS SDK updated to 2.6.16 #8
Merge pull request #10 from deliciousbrains/aws-sdk-update-8

AWS SDK updated to 2.6.16
Correct class name for menu icon. #11
Merge pull request #14 from deliciousbrains/menu-icon-not-showing

Correct class name for menu icon
Fixing plugin info popup, now responsive and styled like the plugin directory #9
Merge pull request #15 from deliciousbrains/fix-plugin-info-modal

Fixing plugin info popup, now responsive and styled like the plugin directory
Merge branch 'master' into develop

Conflicts:
	classes/amazon-web-services.php
Adding a contributing file #19
Remove get_plugins and use AWS base class $plugin_version #13
Merge pull request #20 from deliciousbrains/add-contributing-file

Adding a contributing file
Merge pull request #21 from deliciousbrains/remove-get-plugins-implementation

Remove get_plugins and use AWS base class $plugin_version
Hardcode plugin slug. #22
Merge pull request #24 from deliciousbrains/hardcode-plugin-slug

Hardcode plugin slug.
Cleaning up grunt config #25
Merge pull request #26 from deliciousbrains/clean-up-grunt-25

Cleaning up grunt config
Ability to supply a default to the get_setting method #27
Add a remove_setting method #29
Merge pull request #28 from deliciousbrains/add-default-to-get-setting

Ability to supply a default to the get_setting method