Merge pull request #32 from 4teamwork/jone-multilingual

Support for German workflow specifications
Cleanup (pep8, pyflakes).
Update translation locations.
Update raw.github.com URLs to new raw.githubusercontent.com.
Declare dependencies.

Also removed unused import in meta.py which pyflakes cannot discover.
Fix and update example workflow, "manage" action group was removed.

With 1399810, the "manage" action group was renamed.
Also some permissions were ignored.
Merge pull request #33 from 4teamwork/jone-cleanup

Cleanups
Add translations for example workflow, register for development.
Example workflow: configure visible roles and security management.
Implement sharing page per-role summary of action groups.
Refactor out helper functions get_workflow_for, get_specification and get_specification_for.
Refactor and clean up sharing describe roles view.
Update readme and changelog.