Update Readme to reflect changes in importing project in Android Studio v0.4.3 and higher, add correct build-tools version in Android SDK as installation prerequisite.
Merge pull request #110 from CUTR-at-USF/updateReadme

Update Readme to reflect changes in importing project in Android Studio ...
Update Gradle, Android Gradle plugin, and Android build tools versions.
Merge pull request #111 from CUTR-at-USF/updateGradle

Update Gradle, Android Gradle plugin, and Android build tools versions.
Fix #112 - Add continuous integration via Travis CI.

Increment build tools to 19.0.1, apparently 19.0.0 aren't available via Travis CI (fetching fails with HTTP 404 error).

Matching buildToolsVersion in build.gradle with build tools version in .travis.yml file.
Update to #112 - Add Travis status badge to README.
Merge pull request #115 from CUTR-at-USF/Travis3

Fix #112 - Add continuous integration via Travis CI.