upgrade scalaz
refactor complex graph setups into seperate Trait so that these can be built up into very realistic scenarios and used accross tests.
implement CreateConainer for remote containers. Refactor tests. Add a test
Simplified ~> usage. Seperated tests. Moved cache to WebClient. ACLs now use ~> and work with remote groups.
add code and tests for webid authentication
add code and tests for webid verification, fixed tests, renamed AuthZ to WACAuthZ
try to update to latest sbt
fix updates to sbt so that compilation works
Finished initial LDPS file System support. Not very memory efficient, but useable. Tests pass. Remain to test startup.
requests for a uri coll/.acl must look inside the coll dir and not for a file coll.acl ( this is important or things would get messy for the root collection )
Merge remote-tracking branch 'origin' into ldp

Conflicts:
	project/build.scala
	sbt

Merging changes from ISSUE-60 even though they need to be reworked.
see: https://github.com/w3c/banana-rdf/pull/60
Added PATCH support for plantain using a subset of SPARQL UPDATE - needs a lot more work.