Added javascript functions.
Migrated javascript to external file.
Removed unused import.
Merge branch 'external_javascript'

Conflicts:
	ZombieApocalist/assets/www/index.html
	ZombieApocalist/bin/PhoneGapExample.apk
	ZombieApocalist/bin/dexedLibs/android-support-v4-516a61486cdd9fd5881d1689d6a967a4.jar
	ZombieApocalist/bin/dexedLibs/cordova-2.9.0-3d8b6d8273adbb96e1c67ce4632ae7bb.jar
	ZombieApocalist/bin/resources.ap_