Update user.md

Added objects returned and permissions.  Also, changed POST in the add/remove problem set to PUT
Merge pull request #2 from pstaabp/master

Update to Webwork API
Update README.md
Added a webwork Schema
Update schema.md

Initial attempt at a set of database schemas for all webwork objects. 
Merge branch 'master' of git://github.com/pstaabp/WeBWorK-API

Conflicts:
	README.md
Update README.md

added authentication place holder back in
writeup about ORM and starting to link references
Update schema.md
Update schema.md
Update schema.md

added references
Update user.md

updated with links.  removed some of the permissions... 
I think permissions should be taken care of server side..
Although what information is sent to determine permission level does need to be decided on
Merge pull request #1 from whytheplatypus/master

Data structures