* Introduced new logging helpers for silencing components.
* Check for existence of data store at path before firing deletion to avoid log warning on failure.
* Silence logging for reachability and cache during factory initialization of RKClient and RKObjectManager
* Adjust log levels on cache components from info to debug
* Added RKLogIntegerAsBinary() helper for logging bit masks
* Implemented RKTableControllerDidLoadObjectsNotification for static and fetched results table controllers
* Cleaned up state definitions within table controller
* Documentation cleanups
Added a new RKLogConfigureFromEnvironment() function to RKLog.m to allow the configuration of logging components and logging levels via environment variables. Closes#640.