Merge pull request #63 from dr4ke616/master

Fixed bug where mamba packages in egg format were not being installed.
added containers concept into controllers subsystem
added 403 Forbidden HTTP method to controller documentation
Merge pull request #64 from DamnWidget/master

New controller's containers (useful to build paths)
small refactor of model module
relnotes/index.rst updated
added controller's containers section to controllers documentation
small refactor to test_model
Merge branch 'master' of https://github.com/DamnWidget/mamba
PYM-4 #comment initial work on unittesting helpers
added unit tests for database helper and more features
fix conflict with test_models
removed useles comment
fixed exception being raised when POST, PUT and PATCH requests were send with no body
Merge branch 'master' of github.com:DamnWidget/mamba
added fixtures to unittest
relnotes/index.rst updated
schema and patch moved from storm.schema to mamba.enterprise
relnotes/index.rst updated
added optional parameter store to create_testing_tables and drop_testing_tables methods of Fixtures class