update some methods.
add Robotium to ATK ScriptRecorder
required tools to perfom Robotium Test
remove unused import, methods... and correct indentation
Merge remote-tracking branch 'upstream/experimental'
update if device api level > 16 ==> use uiautomator to get views.
use bouncy castle to sign APK
Merge pull request #7 from JoanaDalmeida/master

Change the way to sign Apk and use uiautomator to get views if device api level >= 16