Koalixcrm

Updated release of v0.5.
- Added company related settings and texts
- some bugfixes

- Workflow improvements
- Design improvements
- Spanish, French, Italian and Russian translation available (Incomplete!)

If you're running a previous version, you need to run:
`pip install -r requirements` and
`python manage.py migrate` before starting the server

- Quote, Purchase Order and Invoice accept position management now
- Design improvements

New features:
- Improved workflow
- PDF creation
- Export data