fixed bad synapse ID in README
add custom mimetype text/x-r for R source code
added to docstrings
SYNR-472: chunked file upload part 2
Added the logout method.
Fix for SYNR-446: store should update entities to new version, now respects createOrUpdate
be ready for PLFM-1905, which changes error code from 500 to 409 when trying to createan entity and one with a given name and parent already exists
Merge pull request #57 from cbare/develop

chunked file upload part 2
Merge pull request #61 from kaysoky/logout

Added the logout method
Merge branch 'master' of https://github.com/Sage-Bionetworks/synapsePythonClient into DocStringUpdate

Conflicts:
	synapseclient/activity.py
	synapseclient/client.py
	synapseclient/evaluation.py
	synapseclient/utils.py