[master] + rename Compression -> CompressionConfig
[master] Fix new findbugs warnings.
(cherry picked from commit 2f67e28089db74b6f82095cfe9ab695570497f33)
[master] Slight tweak to the bundle source/javadoc changes.  Use antrun plugin to delete 'src' directory in the install phase.  Keeping the delete reference in the clean plugin configuration just in case.
(cherry picked from commit 3e1084556b0d1609b860e0d1d3b51d227f1e1337)
[master] Remove documentation from BOM.
(cherry picked from commit 53e551da4e6875203ff0b8f49845b8180fd3b528)
[master] + unify configuration entities
BackendConfiguration -> BackendConfig
KeepAlive -> KeepAliveConfig
[master] Changes for https://java.net/jira/browse/GRIZZLY-1567 (Remove obsolete draft implementations from websockets.)
(cherry picked from commit 3b5f489)
[master] Fix copyrights.
[master] Minor code cleanup.
(cherry picked from commit 80abe2a4e680dc3a3daae23cbed7009d96208a0a)
[master] + cleanup isSendFileEnabled artifacts in the Request object
[master] + implement feature #1565
https://java.net/jira/browse/GRIZZLY-1565

"Implement sendfile support for FileCache"