Added in a property to handle invalid SSL certs
Merge branch 'master' into invalid-ssl
Removed invalid SSL macro from new 1.2.0 code
Updated documentation
Added invalidSSL flag to AFHTTPClient
Set the operation flag in HTTPRequestOperationWithRequest
Documentation update
Merge remote-tracking branch 'upstream/master' into invalid-ssl

Conflicts:
	AFNetworking/AFURLConnectionOperation.h
Merged upstream/master back to resolve conflicts
Merge branch 'master' into invalid-ssl
Fixed if/else logic
Merge branch 'master' into invalid-ssl
Merge branch 'invalid-ssl' of git://github.com/kcharwood/AFNetworking into kcharwood-invalid-ssl
Minor refactoring / renaming / copy edits
Renaming allowInvalidSSLCertificate -> allowsInvalidSSLCertificate
Minor reformatting
Fixing error in documentation about defaultSSLPinningMode

Minor copy editing in documentation
Bumping version to 1.2.1

Updating CHANGES for 1.2.1
Workaround for #907.
A GET request for file:///path/to/file URLs has a self.response that does not respond to allHeaderFields because it is an NSURLResponse not an NSHTTPURLResponse