Fixed lanugage erros in german translation
Added missing translations to German language file
Merge pull request #101 from straight-shoota/master

Fixed lanugage errors in German translation
Only sent assignee_id when set already. Fixes #103.
Only load actually supported languages. Fixes #105.
Add a rule action to change priority, fixes #107
Fix attachment styling
Remove unmaintained docker config
Fix reply styling.
Add user configurable time zones
Add Canadian French translation
add print styling fixes #100
remove margin from newly added labels
Merge pull request #119 from houke/master

Add print styling, fix margin
Correctly precompile print sheet as well
Remove unused labels_users table from schema dump
Add print button to ticket view
Document all feature requests.

We received several feature requests: #92, #93, #102, #104, #120. To cleanup the issue list we document these in one place: the README file.
Add request about welcome mail to feature requests (#121).
Added UK (Ukrainian) language.