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?)
[Issue #2244] Conditionally synthesizing delegate for multipart body stream on iOS < 8
Petty DRY refactoring of basic request methods.
[Issue #2053] Ensuring that invalidateSessionCancelingTasks only executes on main thread, to avoid potential KVO leak
[Issue #2249] Documenting fact that form data should not be nil
[Issue #2249] Adding final else clause to prevent nil body from having unintended consequences on body part input stream initialization
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