added helper method for setting up environment
created tests and new factories for user controller; all tests passing
fixed people_image factory
updated factories to reflect new tests
mytale_images controller specs all passing
Merge branch 'master' of https://github.com/feministy/littlebooks into controller-tests
sessions controller tests with all tests passing
changed controller specs to properly use before to prevent mass failure and epic sadness
remove whitespace
fixed model tests to use before properly; all tests passing except for mytales (in progress by Bill)
change databasecleaner setup
updated validations to reflect tests
user specs all passing with proper use of factories and before
updated factories to be less dependent on IDs
tweaked login helper
Merge pull request #85 from feministy/controller-tests

controller tests passing for mytale_images, sessions, and users; minor changes to FactoryGirl and spec helpers