Merge pull request #204 from jonasman/master

fixed a typo in XMPPRoom
Fixes iOS 7 Analyser Warnings
Update Donate Button Image
Updated Donate Button Image Link

PayPal requires https
Fixes #210
Fixed TLS support in XMPPStream
Auto Start TLS API

Fixes #211
XMPPCoreDataStorage managedObjectModelBundle API

Fixes #213
Update NSXMLElement+XEP_0203.m

In the legacy XEP-0091 the elementName should be x and not delay
Fixes Delayed Delivery Typo

Fixes #212
Add "id" attribute into the bind resource iq

Fixes #218
Update XMPPRoomCoreDataStorage.m

Fixed incorrect predicate definition in delete method
Merge pull request #219 from fsvilas/patch-2

Fixed incorrect predicate definition in delete method
Received Typo
XMPPRoom sendMessage => sendMessageWithBody

Fixes #221
XMPPMessage Thread APIs
XMPPStream Did Fail to Send APIs

- (void)xmppStream:(XMPPStream *)sender didFailToSendIQ:(XMPPIQ *)iq error:(NSError *)error;

- (void)xmppStream:(XMPPStream *)sender didFailToSendMessage:(XMPPMessage *)message error:(NSError *)error;

- (void)xmppStream:(XMPPStream *)sender didFailToSendPresence:(XMPPPresence *)presence error:(NSError *)error;
XEP-0106: JID Escaping

Fixes #222
Rename LibIDN to XMPPStringPrep

This signals an intention to convert this functionality to a license more compatible with the rest of the project, and makes it easy to plug in the new functionality.
Prefix NSData XMPP category methods
Prefix NSNumber XMPP category methods