Merged Metaform branch into integration.
Merged version of metaforms includes metadata editor alpha and metaforms
 with access control (CanCan).

Signed-off-by: shanesuofi <shanes@vandals.uidaho.edu>
Seperatetion of data nd metadata.
Viewing a document now just shows metadata by default. Added a link for
"show data". Viewing metadata only should be much faster.

Update to metaforms access control to allow access by an editor (needs
more testing).

Signed-off-by: shanesuofi <shanes@vandals.uidaho.edu>