Simperium OSX Project Cleanup
README: removing references to ASI HTTP. WebSockets are now enabled by default
NSData+Simperium: Preventing a crash.
NSString+Simperium: Preventing redundant byte-copy
Updates LibraryVersion to 0.6.2
Issue #172: Preventing multiple ‘openWebSocket’ calls to get executed.
Issue #134: Displaying the right error when authentication fails
Removed outdated information, typos
Merge remote-tracking branch 'origin/develop' into binary-sync

Conflicts:
	Simperium-OSX/Simperium-OSX.xcodeproj/project.pbxproj