Making contentLength a long to handle large files.
Merge pull request #493 from mattinger/master

Making contentLength a long to handle large files.
contentLength shouldn't be a member
Fix Semaphore leak, port #488 on master
Minor clean up
New organize import rules
Missing headers
Format with 140 chars lines
Advertise contribution rules
Format + organize imports on Grizzly and extras
Remove WTF import
Disable microsoft.com based tests, see #496
Fix javadoc
Turn AsyncHttpClient into an interface, close #497
Fix a minor typo in a comment
Merge pull request #502 from dwijnand/patch-1

Fix a minor typo in a comment
Make the fairness semantics of the ThrottleRequestFilter configurable
Default to unfair locking semantics for the ThrottleRequestFilter
Adding AsyncHttpClientFactory and AsyncHttpClientRegistry
Merge pull request #498 from salilsurendran/master

Pull Request to add Factory and Registry