v2.4 officially released on 12/19/16.

fixed typo... "2.31" corrected to "2.35".

added javadoc

disabled debuggable mode for release version of the FTC Robot Control…

…ler app.

support for Android studio 2.1.x and updated README file.

changes made to support Android Studio 2.1.x

release from 160330

updated README file.

release using library built on feb 9, 2016.

Release from Jan 4, 2016.