* Issue #429 ruboto emulator -t android-17 fails
* We wrongly assumed that you are in a project directory when the emulator AVD is created.
* Allow Symbols and Classes to be passed as class names to start_ruboto_activity.
* Do not track Gemfile.lock for gem projects.
* Do not track Gemfile.lock for gem projects.
* Convert backslashes from HOME variable
 * Updated jruby-core filtering for JRuby 1.7.5 master.
 * Verify that the given emulator api level is valid.
* Add better error message if invalid emulator target is given.
* Add better error message if invalid emulator target is given.
* Better handling of Windows path.
* Write RubotoCore-release.apk as a binary.
* Issue #436 Use "ruboto emulator" instead of start_emulator.sh when running tests on travis-ci
* Issue #436 Use "ruboto emulator" instead of start_emulator.sh when running tests on travis-ci
* Do not display the "Get Ruboto Core" layout when starting a direct download.
ruboto update deletes existing script dir
also deletes old src/ruboto.rb script
passes all tests for RUBOTO_UPDATE_EXAMPLES=3 see #432 & #437
Merge pull request #439 from iqeo/master

Fixes #432
* Small cleanup of update code.
check for compatible android APIs for update examples