Fix "broken links in popup"-error

There was a problem translating the quotes in the "[url]"-tag leading to broken links
Adjust languages-files
Minor adjustments
Add general github-link
Temporarily deactivate "Community Board"-Link

will be back soon ;)
Change versionnumber
Merge remote-tracking branch 'remotes/origin/master' into release-3.0

Conflicts:
	lib/wswgEditor/editor.js
Fixing typo & false migration link
Fix merge-error
Fix forum-migration
moved chosen-plugin from mootools to jquery
Merge remote-tracking branch 'github/master' into develop