Revert "Volley Library for Faster JSON Android"

This reverts commit a14b64b2fbc1980b98a3ea9e2441e3b18a4661bc.

Conflicts:
	Volley-Postrequest/AndroidManifest.xml
	Volley-Postrequest/bin/AndroidManifest.xml
	Volley-Postrequest/res/layout/activity_json.xml
	Volley-Postrequest/res/layout/activity_main.xml