Revert "Added comment to clarify that an ActorSystem is an ActorFactory"

This reverts commit 6e2f30354d2354c0fdab81c8345b3bec15dddf65.
Revert "Revert "Added comment to clarify that an ActorSystem is an ActorFactory""

This reverts commit 4553bebfda286e998e6578f122a520900ec17d94.
ignore netbeans files
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
headers might be null
flush
LastHttpContent
Merge pull request #66 from thirstycrow/master

Fix FileUpload and WebSocket Chat Problems