Fix #70 - NPE in ObaRoutesForLocationRequest.Builder.  Sets cancelable
to false for the manual region selection dialog to force the user to
pick a region, so even if location services fail and return null the app
can fall back to use the default location of the region (also, app
really isn't usable without picking a region).
Merge pull request #73 from CUTR-at-USF/issue70

Fix #70 - NPE in ObaRoutesForLocationRequest.Builder.  Sets cancelable