Merge pull request #4 from dregad/master

Fix Undefined variable warning
improved german strings
german string fix
Merge pull request #6 from agriesbaum/master

Improved some german strings
Spanish translation updated
Catalan translation
Merge pull request #8 from dtamajon/patch-1

Spanish translation updated
Merge pull request #9 from dtamajon/patch-2

Catalan translation
Catalan translation

I failed to update to the correct path before
Merge pull request #10 from dtamajon/patch-3

Catalan translation
Move language files where they should be

Fixes #11