BOM-741

BOM-739

BOM-421

Prevent unicode error

BOM-671

BOM-612

Division changed in python3 to produce floats even when you divide tw…

EDUCATOR-4696 readded get_history

EDUCATOR-4696 - put back get_history and update UI

add pylint

Finally import courseware properly everywhere to get rid of a warning

NullTranslations object doesn't have ugettext attribute

SE-1463 add djangoapps.heartbeat to INSTALLED_APPS by default

BOM-614: AssertionError: Lists differ Fix. 

Some of the tests are failing because NullTranslations object is
behaving differently with py2 and py3.With py2, it has 'ugettext'
attribute but with py3 it doesn't have.To make it compliant with
both versions modifications in the tests have been added so that
build will not fail.

PROD-663

Use order date_placed enrollment attribute for refund.

Studio Component Editor Tweaks

* Enlarges component modal for easier editing
* Allows display name to be edited in place
* Improves markdown button labeling
* Moves markdown cheatsheet to the edit modal, for quick reference

BOM-532

Used encode instead of str

Save order placement date attribute so that we don't need to call
ecommerce again. Also did some refactoring.

minor changes

minor fixes

minor fixes

minor fixes

BOM-687

python3 compatibility

Use order date_placed enrollment attribute for refund if exist otherwise
fetch it from ecommerce.

PROD-454

test fixes

python 3 fixes

test fixes

test fixes

quality fix

python 3 fixes

minor fixes

python3 compatibility