Obviate request.db implicits
study page access and permissions tab
Fix siteDB implicit, add util._ to views import

This works around a bug in Play 2.1 that breaks models and controllers
package objects.

This change requires: rm -rf target/scala-2.10/src_managed/main/views
Merge remote-tracking branch 'remotes/origin/master' into gui

Conflicts:
	app/views/asset/link.scala.html
	app/views/study/view.scala.html
Merge remote-tracking branch 'remotes/origin/master' into gui
merge view fixes