UNDERTOW-295: NPE fixed
Fixed ExceptionHandler tests.  It was not testing the attachment correctly.
Merge pull request #238 from ddska/master

UNDERTOW-295: NPE fixed
Merge pull request #239 from billoneil/fix-exception-handler-tests

Fixed ExceptionHandler tests.
Allow SPDY to be used without SSL
Remove recievers set from the framed channel
Only call notifyAll() if there are waiters
Checkstyle
Idea for a composite handle which can easily compose various handlers.
Allow subclassed CompositeHandlers to return the correct types by extending AbstractCompositeHandler
Add minor comments to CompositeHandler