Adding FactoryGirl
Creates factories for category, mission and user
Ignores all the swp files (vim swap files)
Mark as pending mission_controller tests
Fixing controller test missions#show
Fixing controller tests missions#create
Fixing controller tests missions#edit
Fixing controller tests missions#update
Using get instead of post for missions#edit
Using stubs for missions#create
Redirect to missions_url after delete a mission
Use the correct ruby version
Moving the test implementation from FactoryGirl to doubles
Refactoring to missions controller tests
Revert "Adding FactoryGirl"

This reverts commit eddc1bf22f8d2bd64c30dfe75ef2e6f8923cb32c.
Revert "Creates factories for category, mission and user"

This reverts commit 6a5ef6b5cb34ff1d22a7af5d94ebb1ceda02619f.
Merge pull request #16 from jesusmercado/fixing_controller_tests

Fixing missions controller tests