Fix handling of metacharacters in unicode mode
use custome NodeInfoDumper and handle empty root nodes properly

Conflicts:
	lib/devices/android/bootstrap/src/io/appium/android/bootstrap/AndroidElement.java
Add sendKeyStrategy to cap handler
Android only :  Add a capability to bring up an Android app, without stopping the process,if it is already running
Added server capability stopAppOnReset
Added capability to selendroid
Added help for stopAppOnReset
Update caps.md
do not use Configurator during class initialization

Conflicts:
	lib/devices/android/bootstrap/src/io/appium/android/bootstrap/AndroidElement.java
use external simctl library