PLD: set open and secure based on require auth with tests, closes #866
Merge pull request #1016 from onaio/866-no-uname-for-sec-subs

PLD: set open and secure based on require auth with tests, closes #866
RR: WIP prevent sending blank auth-token
RR: return response as callback, closes #830
RR: use in-built 'identity'
Merge pull request #1020 from onaio/830-checkout-authscreen

830 resolve auth required popup
can-delete-data?
Added a delete link that puts up a confirmation modal-container
WM: Confitmation modal styles
RR|WM: Removed dataset page footer; closes #1003
RR|WM: Fixed failing test
Added delete functionality with loading spinner; note that map+tables aren't automatically updated at the moment.