CS-4862: Fixed some small issues

- Added RFC language codes also campsite_core.sql
- Fixed Arabic, Korean and default English codes
plugins dashboard with bootstrap 3
Merge pull request #437 from takeit/system_preferences

Added reCAPTCHA
Merge pull request #434 from m038/CS-4862

CS-4862: Fixed some small issues
Merge pull request #438 from takeit/system_preferences

[CS-4802] rewrite header and footer in newscoop with bootstrap3
CS-4862: Added column to demo_tables.sql
Merge pull request #439 from takeit/system_preferences

reCAPTCHA fix and password recovery url fix
Merge pull request #440 from m038/CS-4862

CS-4862: Added column to demo_tables.sql
Merge pull request #436 from ahilles107/plugins_dashboard

plugins dashboard with bootstrap 3
Merge branch 'master' of github.com:sourcefabric/Newscoop into system_preferences

Conflicts:
	newscoop/admin-style/admin_stylesheet.css
	newscoop/src/Newscoop/NewscoopBundle/Resources/views/admin_layout.html.twig