migrated some UIA functions to calabash 0.9.163.pre6 and marked device() as deprecated in favor of calabash's default_device()

* moved functions from Briar::UIAKeyboard to calabash 0.9.163.pre6
* move uia availability functions from Briar::UIA to calabash 0.9.163.pre6
* refactored device to call calabash's internal default_device() and marked for deprecation
* deprecated function now includes file and line number information