Merge pull request #7 from Pandos/dev

Update install.german.php. YAYZ!
- Session-based cache string removed. (ManageSettings)

Signed-off-by: Nao <nao@wedge>
Merge branch 'master' of https://github.com/Wedge/languages
+ Thought like notifications. (Notifications)

Signed-off-by: Nao <nao@wedge>