Added a PUT route to /samples/:id
reenable tests.
Added 'type' property to Sample.
Merge pull request #8 from sebmartel/sample-type

Added 'type' property to Sample.
--env now working when launching the server directly with node.
updated s2g-login to post with a neighborhood.
Merge branch 'master' of github.com:sebmartel/s2g-server
Merge users_routes branch with master
Create README to provide information on API response objects