Added following features:
- automatic redirection to next task of same case with progress bar
- configurable display of links to other tasks from other cases
- optional link to go back to inbox
- support for i18n
Merge pull request #2 from pozil/master

Added following features (v2):
- automatic redirection to next task of same case with progress bar
- configurable display of links to other tasks from other cases
- optional link to go back to inbox
- support for i18n