resolve #12

Create a folder to setup tests
Resolve #12

Create a runtest.py
Resolve #12

Adding new packages to test
resolve #12

Create a simple test to model
Resolve remove a script to call nosetest
Change the argument to manage.py
back the identation 2 spaces
Add nose arguments and set TestRunner to use nose
Fiz an example of test of models
Create an example of tasks
Remove a slug field in candidate

This was removed because a Container Model has a same field
Resolve #12
Merge branch 'ticket-12' of github.com:lucassimon/opps-tse into ticket-12
Fix #17

Adding comments about the fields and class
close #18
close #19