AUI-1082 Add Grunt task to automate JSHint
AUI-1082 Add docs for Grunt task to automate JSHint
AUI-1082 Add `lint` shortcut for JSHint
AUI-1086 Update structure explanation and fix links that were pointing to 2.0.x branch
AUI-1088 Move docs from HTML to Markdown
AUI-1088 Fix JSBeautify automatic indentation
AUI-1088 	Standardize 80 columns line break
Merge branch 'master' into master-deprecated