#49: use ng-if instead of simple ng-hide/show for the different date
pickers.
#49: stop using ui-bootstrap datepicker
Revert "#49: stop using ui-bootstrap datepicker"

This reverts commit 47285232b18422f954882bc18c7c243de1b84107.
#32: always return a coefficients value
#49: set value of the date input
#49: putting ui-bootstrap date picker back in
#49: trying only ui-bootstrap date picker
#49: putting date picker back in
Revert "#49: putting date picker back in"

This reverts commit d5f1c035364f1d6a95bc4b841c3aa5c42f0d91b0.
Revert "#49: trying only ui-bootstrap date picker"

This reverts commit 4a57f351dc21369cae36a9dacaba80086a1169ff.
Revert "#49: putting ui-bootstrap date picker back in"

This reverts commit d61f59ec1f74902a7a067b4db2fbe97c44b2dcf3.
Revert "#49: set value of the date input"

This reverts commit a549b1b3aed23b759e9ec1de88427c88412bccd5.
#49: fixing markup a bit
#49: trying ngValue
#49: move filter init into a timeout to put it after other UI
initializers
#49: required date input
#49: set min to a hard date
#49: remove ng-value
#49: giving up on input type=date for now. It isn't working well with
angular