docs/api.rst: adds example response to login endpoint
api/auth.go: fixing typo on error message
Merge branch 'master' of github.com:globocom/tsuru into db
db/storage: starting to migrate base storage functions to external project
provisioner/docker: Added Stop method
provisioner/juju: Added Stop method
app: Added Stop method
provision/docker: pull image on creation closes #602
app/quota: implement releaseUnits

Related to #626.
docker: fixed issue with exposed ports.

related to #623.
testing/setup.go: gandalf test server function is not part of the testing struct anymore
using StartGandalfServer defined in testing package everywhere
gofmt -s
app: use the new quota schema for units

We barely use the quota package now :)

Related to #626.
app: remove createAppQuota action

We don't use it anymore :)

Related to #626.
api: fix AddUnits tests

Related to #626.
quota: simplify the package

Closes #626.
provision: Added Start method on Provisioner interface.

related to #606.
docker: implemented provisioner Start.

related to #606.
docker: implemented container start.

related to #606.