Merge pull request magento#170 from magento-commerce/release-v21

Release v21

Merge pull request magento#166 from magento-commerce/develop

Develop to master v20

Merge pull request magento#163 from magento-commerce/develop

Develop to master v19

Merge pull request magento#159 from magento-commerce/version-18

Version 18

Merge pull request magento#146 from magento-commerce/imported-fredden…

…-magento-coding-standard-350

[Imported] Disallow Yoda Conditions in JavaScript files

Merge pull request magento#129 from magento-commerce/develop

Develop to Master Version 16

Merge pull request magento#116 from magento-commerce/develop

Develop to Master Version 15

Merge pull request magento#110 from magento-commerce/develop

Version 14 master update

Merge pull request magento#92 from magento-commerce/develop

Develop to Master Version 13

Merge pull request magento#79 from magento-commerce/imported-svera-ma…

…gento-coding-standard-291

[Imported] Increased version to 12