- Workflow:
  Added an error message in case graphviz-gd hasn't yet been installed
- Removed Windows sepecific code
- Workflow:
  Fixed URL for workflow GIF
-- minor beautifying
-- minor beautifying
-- disabled cancel/deadline actions, never used so far, on top cancel leads to error msg
- German Localization:
  Exported strings from SL
- Localization:
  Fixed English and German translation
- L10n:
  Exported English
- L10n
Merge branch 'master' of github.com:project-open/acs-workflow