Removed call to dispatch_retain for iOS 6.0/OS X 10.8 and above
Updated Reachability to HEAD from the github repo to support ARC-enabled GCD queues
Removed Foundation import from Reachability to fix OS X compilation
Oops... if, not ifdef.
Merge pull request #161 from 3van/master

Remove GCD retains/releases for iOS 6.0/OS X 10.8 and above
When adding data to the operation, change the HTTP method to POST only if it is set to GET
Merge pull request #164 from milancermak/fix-issue-132

Fix issue #132
Warning fixes in iOS 6
Merge branch 'master' of github.com:MugunthKumar/MKNetworkKit
Small spelling correction
Merge commit '2f24d84b1bf66f3d0dfbd1fe74d1e36f9247113c'