Merge pull request #10 from tiriplicamihai/f/#9-test-api-branch

test api branch
Added requirements file for pip install
Added factories and changet API tests. (#12)
Added factory_boy to dependencies. (#12)
Merge pull request #13 from tiriplicamihai/f/#12-factory-boy-testing-branch

factory_boy for API tests
Added method for setting stream number for Owner and adjusted factory for Owner
Added factory boy tests for Owner model. (#12)
Added factory boy tests for Stream model and adjusted StreamFactory. (#12)
Added factory boy tests for Keyword model and adjusted KeywordFactory. (#12)
Merge pull request #14 from tiriplicamihai/f/#12-factory-boy-testing-branch

Added factory boy tests for models
Removed get_ and set_ methods
Adjusted factories
Added standard name for requirements file
Adjusted tests
Moved everything from keywordapp to keywordapi and removed nested app.
Added nose and django-nose to the requirements file. (#9)
Added nose and django_nose to installed apps. (#9)
Replace asserts with nose methods. (#9)