initial testing with bootstrap3
start updating for bootstrap
set up bootstrap css for header
update bootstrap style for logged in/out
add crispy-forms
start on changing register form to use crispy-forms
OPEN - task 119: Make using gravatars optional 
https://github.com/DigitalCampus/django-oppia/issues/issue/119
CLOSED - task 119: Make using gravatars optional 
https://github.com/DigitalCampus/django-oppia/issues/issue/119
Merge branch 'master' into bootstrap

Conflicts:
	docs/changelog.rst
update docs
CLOSED - task 151: Bootstrap - register form 
https://github.com/DigitalCampus/django-oppia/issues/issue/151
CLOSED - task 152: Bootstrap - login form 
https://github.com/DigitalCampus/django-oppia/issues/issue/152
Add forgot password to login form
CLOSED - task 154: Bootstrap - reset form 
https://github.com/DigitalCampus/django-oppia/issues/issue/154
CLOSED - task 153: Bootstrap - profile form 
https://github.com/DigitalCampus/django-oppia/issues/issue/153
Add helper text to profile form
CLOSED - task 155: Bootstrap - upload form 
https://github.com/DigitalCampus/django-oppia/issues/issue/155
CLOSED - task 156: Bootstrap - add in page footer on main 
https://github.com/DigitalCampus/django-oppia/issues/issue/156
CLOSED - task 158: Bootstrap - homepage 
https://github.com/DigitalCampus/django-oppia/issues/issue/158
CLOSED - task 162: Bootstrap - leaderboard page 
https://github.com/DigitalCampus/django-oppia/issues/issue/162