Merge pull request #308 from bootstraponline/text_contains

Add text contains
Merge pull request #314 from bootstraponline/adb_cmd

Move keyevent to adb.js
Skip uninstall on fastReset
Merge pull request #312 from bootstraponline/skip_on_reset

Skip uninstall on fastReset
Remove skipInstall

Install is now able to detect if the APK exists on device or not.
This removes the need for a skipInstall flag.

Fix #313