PLD: do not load photos tab
PLD: preview loads enketo in modal, #492
PLD: empty iframe on close so no stale content
PLD: comment photo tab for now, identation, closes #524
PLD: show replace active or inactive depending on number of submissions
PLD: add moveto menu and show/hide and populate menu, closes #492
RR: show form preview in modal dialog container
Merge pull request #526 from onaio/492-form-drop-down

492 form drop down