Removed browser config files.
Removed Audacity config files.
Remove live user-setup hook for allowing PolicyKit usage w/o password.
Removed TODO item for PolicyKit configuration.
Merge branch 'dev'

* dev:
  Removed TODO item for PolicyKit configuration.
  Remove live user-setup hook for allowing PolicyKit usage w/o password.
  Removed Audacity config files.
  Removed browser config files.
Merge branch 'master' into dev

* master:
  Debian wheezy -> jessie.
  Shorter lines. Updated Debian 7.0 (wheezy) to Debian 8.0 (jessie).
  Updated details about versioning.
  Updated changelog.
  Updated build scripts.
Merge branch 'master' of github.com:ypcs/digabi-live

* 'master' of github.com:ypcs/digabi-live:
  "Try to press" to "Try pressing".
  Updated message.
  Added /etc/issue, containing simple instructions for returning to GUI.