update to readme
removed references to didLaunch
changed to now use the projects version number (CFBundleShortVersionString) instead of its build number (CFBundleVersion).
deleted reference to missing JSONKit framework
converted delegate from id to NSObject so that selector methods may be called on it
updated example call to ManUp (had an old method signature)
check for conformance to optional protocol method manUpConfigUpdateStarting before calling it
changed property delegate from id to NSObject. Added delegate callback for manUpConfigUpdateFailed:
check for conformance to optional protocol method manUpConfigUpdated before calling it
fix for maintenance mode - will still update and disregard minimumIntervalBetweenUpdates if in maintenance mode (don't want to be forced to wait 2 hours to get out of maintenance mode).
Fixed issue where it would never update
Removed k prefix from keys used in config file.
Fix for cache policy setting (was not downloading updated config file due to incorrect cache policy).
Fix for cache policy setting (now set to NSURLRequestReloadIgnoringLocalCacheData).
Merge pull request #1 from NextfazeSD/master

Added some usage instructions to README. Remove references to didLaunch.