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

...droidTest per Android Gradle plugin 0.9 requirements.  

Also update tests, including:
* Add multi-region functionality to tests.  
* Add region-related tests.  
* Add separate tests for using a region to build the URL vs. 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.