Translation updates:

* Norwegian (Kai Olav Fredriksen)
* German (Thomas Löber)
* Bulgarian (Nikolay Solakov)
* Hebrew (Ficoos Bangaly)
* Russian (Michael Pirogov)

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1331 e93f8b46-1217-0410-a6f0-8f06a7374b81