support returning plain template variables from controller call in ControllerTestCase
remove trailing whitespace
add some version requirements to setup.py to work around setuptool's simplistic dependency generation which can lead to errors when installing MediaCore into an existing virtualenv
use fully-configured url generator in unit tests (ControllerTestCase) which also knows about loaded plugins
LeniantValidationMixin should not override validator (schema) if the form already has a validator
extract method to configure a new Translator within unit tests
enhance 'get_available_slug' so it can also work with different slug attributes and slug lengths
map "user_id" column in "users" table to User.id so it is in-line with other MediaCore models
move alembic.ini to root folder
fix bad paster command in install docs (thanks to Marcos Ribeiro for reporting the issue)