Added http prefixing to guest request...
Added http prefixing to guest request...

... Normally, not a problem, but came up in localhost testing.
+ Adding host name and url to acceptance email.
+ Added emailDenial email.
+ Changed denyGuest to just a delete call.
+ shareRequest renamed requestShare. Previous logic for function
  moved into newGuestRequest

AppStateESS/stories,AppStateESS/stories,AppStateESS/stories,AppStateESS/stories