Update README.md

Updated APNS details.
Fixed issues:
* issue because of which PNReachability in certain situation may not update one of it's states
* copied library into demo projects
* updated library information (debug output in console)
* small adjustments in PNReachability class
* copied library into demo projects
* updated library information (debug output in console)
* added debug message output for lookup logic
update tests
add file
Fixed issues:
* issue because of which client in certain situations may not call completion block
* copied library into demo projects
* updated library information (debug output in console)
Fixed issues:
* modified observation center to make sure that for required set of notifications it will send single channel (not array which can arrive from server)

Merge branch 'develop' into fix-t241

Conflicts:
	cocoa/HOWTO/ClientSidePresence/PubNubMacOSTestApplication/libs/PubNub/Core/PubNub.m
	cocoa/HOWTO/SimpleSubscribe/PubNubMacOSTestApplication/libs/PubNub/Core/PubNub.m
	cocoa/PubNubMacOSTestApplication/PubNubMacOSTestApplication/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/APNSVideo/demo9/demo9/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/CallsWithoutBlocks/CallsWithoutBlocks/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/ClientSidePresence/PubNubDemo/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/HelloWorld/pubnubDemoExample/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/SimpleSubscribe/PubNubDemo/libs/PubNub/Core/PubNub.m
	iOS/HOWTO/ULSMethods/ULSMethods/libs/PubNub/Core/PubNub.m
	iOS/iPadDemoApp/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/ConnectionIssues/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/ConnectionIssues1/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/ConnectionResume/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/IdleTimeout/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/JSONAbsent/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/JSONPresent/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/PubNubTestBackground/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/PubNubTestBackgroundTime/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/Subscription/pubnubBackground/libs/PubNub/Core/PubNub.m
	iOS/tests/ThreadBlocked/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/iOSUnitTests/pubnub/libs/PubNub/Core/PubNub.m
	iOS/tests/pubnubBackground/pubnubBackground/libs/PubNub/Core/PubNub.m
* copied library into demo projects
* updated library information (debug output in console)
Changes:
* tweaked demo application to show another error message (another template) and increased delay
* copied library into demo projects
* updated library information (debug output in console)
add Configuration test
add timeout
add timeout for message
Fixed issues:
* fixed issue with unsubscription w/o presence event generation
* copied library into demo projects
* updated library information (debug output in console)
Fixed issues:
* fixed timeout issue because of incompleted unsubscribe request