Minor bug fix for XMPPStreamManagement
Include XMPPCustomBinding in Sample Projects
unsignedIntegerValue should be NSUInteger
Set NSDateFormatter Locale en_US_POSIX

https://developer.apple.com/library/ios/qa/qa1480/_index.html
Code Clean Up

- Remove NSLog for Release Builds
- Only call exit() for Debug Builds (in extreme circumstances)
- Don't call properties in init
Fixing many bugs in XMPPStreamManagement.
Merge branch 'master' of github.com:robbiehanson/XMPPFramework
Merge branch 'master' of github.com:robbiehanson/XMPPFramework