Bump version to 0.5 and minor cleanup

* Removed temporary added copy of programs.yaml
* Changed default value for default_data_uri to meaningful
  (points to github master)
* Removed version title from tooltip into meta header

Change-Id: Iad2724ecfdb19ee42fb5f69bb113d619081eae63
Merge "Bump version to 0.5 and minor cleanup"