UNDERTOW-305 Look for ClientEndpoint on the superclass
Handle exceptions in flush better
Add JDK8 profile to select correct ALPN version
Adjusts the value of the default initial window
size to be 65536 bytes as specified by the SPDY spec.
Merge pull request #249 from golovnin/spdy_initial_window_size

Adjusts the value of the default initial window size.
Create AtomicReferenceFieldUpdater in a privilidged action block
Minor clean code
HTTP2 improvements
Fix some more HTTP2 issues
Merge pull request #248 from emuckenhuber/modcluster
Merge pull request #250 from danielsoro/minor-clean-code

Minor clean code
retry failed requests