Merge pull request #437 from takeit/system_preferences

Added reCAPTCHA
[CS-4802] rewrite header and footer in newscoop with bootstrap3
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
reCAPTCHA fix
reCAPTCHA fix
password recovery link decode
Merge branch 'plugins_dashboard' of github.com:ahilles107/Newscoop into v4.3
Merge branch 'master' of github.com:sourcefabric/Newscoop into v4.3
Merge branch 'system_preferences' of github.com:takeit/Newscoop into plugins_dashboard
update vendors - clean
update vendors - clean, fix
add private_plugins directory to repo
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
add upgrade command (revert plugins to composer after composer.json/lock files update)
Merge branch 'master' of github.com:sourcefabric/Newscoop into plugins_dashboard
Merge branch 'master' of github.com:sourcefabric/Newscoop into v4.3