Fix #130 - Fix and update tests.  Move tests from /instrumentTest to /androidTest 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.
Remove unused constants.
Fix #132 - Handle region base URLs correctly when they are missing a trailing `/`, and when they include a port number.  Update fallback host name to current Puget Sound server.
Update the bundled regions_v3.json file to the latest production version from http://regions.onebusaway.org/regions-v3.json.  Remove old regions.json file that is no longer used.
Merge pull request #131 from CUTR-at-USF/issue130-FixTests

Fix #130 - Fix and update tests.  Move tests from /instrumentTest to /an...
Merge pull request #133 from CUTR-at-USF/issue132-UrlFormattingRegions

Fix #132 - Handle region base URLs correctly when they are missing a tra...
Merge pull request #134 from CUTR-at-USF/updateRegionsResource

Update the bundled regions_v3.json file to the latest production version...