open the in-memory output stream immediately when scheduling it on the run loop
- if never opened (as was the case if no response was received) apparently calling close will not implicitly remove the stream from the runloop (apple docs are misleading?)
Petty DRY refactoring of basic request methods.
fix error semicolon
Update to non-expired ADN cert
Merge pull request #2272 from carsonmcdonald/updateadncert2015

Update to non-expired ADN cert
Merge pull request #2269 from cherishloveyou/master

fix error semicolon
Fixed localized strings not being put into AFNetworking table.
Merge pull request #2276 from mckaskle/fix_NSLocalizedString_table

Fixed localized strings not being put into AFNetworking table.
Merge pull request #2257 from larsacus/master

Petty DRY extraction of basic session data task creation in request methods
Further refactoring AFHTTPSessionManager
[Issue #2229] Handling request serialization errors in refactored AFHTTPSessionManager
Merge pull request #2178 from jtomson/fix_outputstream_leak

Fix AFConnectionOperation outputStream leak if no response is received
[Issue #2187][Issue #2245][Issue #2255] Adding image cache and response serializer properties to UIButton category, as well as cancelling image request operations correctly on a per-state basis

Changing signature of success blocks in UIButton category to be consistent with those of UIImageView category
Merge branch 'master' of github.com:AFNetworking/AFNetworking
[Issue #2240] Replacing MAX_ALLOWED macro with MIN_REQUIRED
Whitespace
Update CHANGES
Bumping version to 2.4.0
Explicitly casting UIControlState to NSUInteger in format argument
Adding explicit casts and #pragma ignore to fix warnings about out-of-range enumerated type value assignment