Added list of required imports to android tutorial to avoid confusion when users are typing up the tutorial app, as well as provided link to API guide at bottom of the page.
Merge branches 'next' and 'AndroidAppTutorialUpdates' into AndroidAppTutorialUpdates
Updating tutorial to explain needed imports and cleaned up the language a bit. A couple of the changes worked well to be moved into the API guide as well.
Reorganized page to better distinguish between bluetooth and USB OTG connection, and corrected/clarified typo around HTC One
Merge pull request #45 from jkitch20/androidHardwareChanges

Android hardware changes
Merge pull request #42 from jkitch20/AndroidAppTutorialUpdates

Added list of required imports to android tutorial to avoid confusion wh...
Merge branch 'next', remote-tracking branch 'upstream/next' into next