Update object_actions.php.twig

Should fix #609
Update general.css

Update on issue #610
CS fixes
Rename options
Add treeTable script only on nestedList templates, should fix #610
CSS Fixes for small screens
Change nested list icons to font awesome, fixes #598
Update submitting-issues.md

Fix link in doc
Update submitting-issues.md

Fix doc
Fix `The option "multiple" does not exist.` error
Create Admingenerator.ro.yml
Added typehints
Merge pull request #615 from bmelman/master

Added typehints
Fix navbar-blue css styles
CSS Fixes
Merge branch 'master' of github.com:symfony2admingenerator/AdmingeneratorGeneratorBundle
typo and added NL to supported language lists
Merge pull request #617 from bmelman/master

typo and added NL to supported language lists
Sensio generator bundle 2.3 requirement added
Merge pull request #621 from eymengunay/fix-sensio-dependency

Sensio generator bundle 2.3 requirement added