Updating AFNetworking to 1.3.4
Updating copyright in preamble
Removing conditional compilation for Security framework features
Removing unused oauthAccessMethod property
Merge branch 'master' of github.com:AFNetworking/AFOAuth1Client
[Issue #106] Specifying 'oob' as callback_url if unspecified
Merge branch 'master' of github.com:AFNetworking/AFOAuth1Client