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
Fixing crasher in AFNetworkActivityIndicatorManager, due to unsafe calls to updateNetworkActivityIndicatorVisibilityDelayed from multiple threads.
Add __unused to stream delegate parameter
Using self.error instead of self.JSONError in AFJSONRequestOperation.
Merge pull request #935 from OliverLetterer/cfstream-race-condition

Workaround for #907.
Merge pull request #966 from OliverLetterer/use-error

Using self.error instead of self.JSONError in AFJSONRequestOperation.
Minor edits to documentation
Merge branch 'master' of github.com:AFNetworking/AFNetworking
don't escape tildes as per http://tools.ietf.org/html/rfc3986#section-2.3
Switched the #warning messages to #pragma message messages instead, so you can still compile the framework with -Werror switched on
Register error if new bodyStream cannot be created
explicitly synthesize properties to eliminate warnings with -Wobjc-missing-property-synthesis
Merge pull request #978 from jeffhunter/master

Explicitly synthesize properties to eliminate warnings with -Wobjc-missing-property-synthesis
Merge pull request #973 from michael-r-may/master

Fix for -Werror switch use
Merge pull request #972 from aburgel/needNewBodyStream_cancel

Register error if new bodyStream cannot be created
Refactoring failure case for connection:needNewBodyStream:
[Issue #970] Refactoring network reachability to be more conventional (/thanks @djmadcat)
[Issue #969] Reordering network reachability calls to provide correct reachability status on initialization (/thanks @djmadcat)
Replacing (CFStringRef)NSRunLoopCommonModes with kCFRunLoopCommonModes