Gruntfile.js: Remove extra comma.
Fix small typo in JavaScript docs
Merge pull request #12880 from hnrch02/patch-1

Fix small typo in JavaScript docs
Remove "bootstrap" keyword
Merge pull request #12889 from ZDroid/composer-json-keywor

Remove "bootstrap" keyword from composer.json
Add bower.json keywords
Merge pull request #12890 from ZDroid/bower-json-keywords

Add bower.json keywords