[OE-2928] fixed procedure selection filters
Allow modules to hide metadata if not relevant
fixed accesslevel=0 log message
Merge branch 'master' of github.com:openeyes/OpenEyes
Add support for drug set tapering (resolves OE-3077)
Add travis config
[OE-3087] fixed lack of validation on save()
Merge branch 'master' of github.com:openeyes/OpenEyes
[OE-3087] fixed instance where save() was called without verification.
Fix travis keys
Merge branch 'master' of github.com:openeyes/OpenEyes
Travis config again
Update travis email notifications
bugfix: missing @
Merge branch 'hotfix/set_tapering'
Merge branch 'master' into develop

Conflicts:
	.travis.yml
	protected/widgets/ProcedureSelection.php