make github config values lazy so that a more meaningful error message is given when github.conf is missing
recreating the webhook on scan
fixed date highlight for date picker; fixes #60
Merge branch 'master' of github.com:scalableminds/time-tracker

* 'master' of github.com:scalableminds/time-tracker:
  recreating the webhook on scan
  make github config values lazy so that a more meaningful error message is given when github.conf is missing
  clear form after submitting time; #39
  fixed hook creation, and also added route for creation of webhooks
  fixed 2 typos
  actually include before remove script...
  empty
  added before remove script to shutdown service before upgrading
fade out log notification & clear form; fixes #59
terms added
css for footer fixed
navbar overflow css fixed
Merge branch 'master' of github.com:scalableminds/time-tracker into authorization
Add link for permission-granting to settings-view; make reauthorize an UserAwareAction (#67)

The latter makes sure that the usual "logged-in"-header is visible when
the user chooses the appropriate permissions.