added tar container
added TarContainer id() and TarBlob create()
extracting tar container channel as a field on the TarContainer
 Added constant TAR_ENTRY_HEADER_LENGTH
Merge pull request #67 from nla/tar-container

Tar container
Merge branch 'master' of github.com:nla/doss into net

Conflicts:
	pom.xml
Merge remote branch 'origin/net' into net
A couple of simple benchmarks

Conflicts:

	pom.xml