Merge pull request #27 from cbare/develop

get/store ACLs, early version of wiki and fileHandle services
fixed example code in README.md
SYNR-356: Functions parameters for provenance should be able to handle either entities or synIds
SYNR-345: Add commit like behavior to updateEnitity
moved Activity class out of client.py into its own file
SYNR-356 function parameters for provenance should be accept either entities or synIds