Update android phonegap to 2.6.0rc1
Update README.md
Update ios cordova plugin to 2.6.0rc1
Added new cordova-2.6.0 jar and javascript file. Added checks to make sure the pushservice or location service is enabled first.
Added a knownActions list of methods and used reflection to invoke the respective method based on the action requested.
Added helper methods requirePushServiceEnabled and requireLocationServiceEnabled.
Updated to cordova-2.6.0
Modified the code to look at the config directly.
Merge pull request #33 from urbanairship/LIB-591

Lib 591 Update Plugins for PhoneGap 2.6