Add actions: send_key_up, send_key_left, and send_key_right
Fixed #232: now we allow interacting with l10n resources from Android's
package:

http://developer.android.com/reference/android/R.string.html

If no package is passed then the application's package is used by default
so we keep backwards compatibility.
Updated documentation to reflect the ability to interact with
Android's String resources as per #232.
Fixed #237: app_running? is more reliable now, only returning true if the test
server return the appropriate ping response.
Fixed #239, wait_for_view_by_id() correctly checks now that the visibility
of the view is VISIBLE before returning a successful result.
First take at dump command
don't use Results format for dump
Fix #247 by sorting the list of platform versions by a padded string key
Merge pull request #248 from MeetMe/fix-247

Fix #247 by sorting the list of platform versions by a padded string key
Merge branch 'issue-237' of https://github.com/ustwo/calabash-android into ustwo-issue-237
Adding error message for the case when the http server is not responding
Merge branch 'master' of github.com:calabash/calabash-android
Merge pull request #235 from ustwo/issue-232

Fix for  #232
Merge pull request #240 from ustwo/issue-239

Fixed #239
Merge pull request #192 from jimtsay/upstream

Add actions: send_key_up, send_key_left, and send_key_right
enter_text_by_id fails without crashing the app if the input text is null. Fixes #222.
added update_app methods to use adb install -r option for version migration testing
check result of adb install -r command for success
Using a more conventional .gitkeep
test server is now build with verbose ant output