ORDER-25 : "omrs.display" filter was not changed after AngularJs version change (#2)
* ORDER-25 : After AngularJs upgraded, "omrs.display" filter is replaced
to "omrsDisplay" but the OEUI code is not updated.
* the provider property is removed because it was removed in platform 2.x
* Provider is removed.
* ORDER-25 : encounterRole was missing previously. Now it is fixed.
* ORDER-25 : The commented line is removed from code.
