Fix #137 - Run tests on TravisCI.
Update to #137 - Add "global" key.
Update to #137 - Remove quotes from ANDROID_TARGET variable
Update to #137 - Remove ANDROID_TARGET variable.
Update to #137 - Add script to wait for emulator
Update to #137 - Add missing space to comment in script.
Update to #137 - Replace wait_for_emulator script
Add comments to wait_for_emulator script
Merge pull request #138 from CUTR-at-USF/issue137-TestsOnTravis

Fix #137 - Run tests on Travis CI