Prevent NPE when trying to access cookies
Minor clean up, use constants
Remove useless multiple getFirstValue calls, close #341
Fix Netty provider NTLM type 2 message handling, close #339
Use isEmpty instead of comparing size/length, close #343
Fix build
Use instanceof instead of isAssignableFrom where possible, close #342
Honor multipart boundary if specified in existing Content-Type header, close #345
Remove ListenableFuture.done Callable argument, close #344
Fix race condition in NettyResponseFuture.done exception handling, close #337
Merge pull request #340 from dermarens/ahc-1.7.x

Prevent NPE when trying to access cookies
Minor clean up
Make NettyConnectionsPool's Timer externally configurable, close #346
Fix build
Google redirect has changed
Fix NPE
Don't build request twice when using a proxy, close #235
Don't pass nettyRequest to writeRequest: it's in the future
Compute SSL check once
typo