Added endblock names in templates,
as suggested by Two Scoops of Django.
It's not a bad practice and definitely increases readibility,
when templates get bigger
Shifted API urls to a separate URLs file.
Makes it way easier to maintain future API urls.
Added StudentStartedWorkingAt model and migration.
Updated the GiveFeedbackForm
Added updated form with AJAX validation.
Updated the give-feedback form.
* Now it sorts partner drop-down select by partner.name
* Now it hides when user selects where he started working at.
* Now the form saves correctly. (Forgot to add feeedback_form.save() in the view)
* Added tests to confirm the above.
Merge pull request #24 from HackBulgaria/form_model_changes

Form model changes