Login in done.
Enhance readme.
Keep things dry, the requirements are in the readme.
Limitations should be more obvious to people considering GitLab CI.
Merge pull request #284 from digidentity/add-howto-to-readme

Add howto to readme and convert roadmap into limitations
Version up to 3.2.0
Change migrations to work with PostgreSQL

Tested with PostgreSQL 9.1
Updating schema with migration fixes from deradon/gitlab-ci:fix-migrations-postgres
wip
Adding specs for Project API end points
Adding POST /projects (for creation) and several rspec unit stubs for
projects api