Fix #130 - Fix and update tests.  Move tests from /instrumentTest to /an...

...droidTest per Android Gradle plugin 0.9 requirements.  Add multi-region functionality to tests.  Add region-related tests.  Add separate tests for using a region to build the URL and using a custom API entered by the user to build the URL.  Add URL format tests.  Remove extra URIs from the urimap.json.  Remove old __regions.csv file that is no longer used.