Merge pull request #2014 from edx/ormsbee/grade_distribution_fix

Fix (re-implement) answer distribution report generation.
Add instructor notes to document

Add template instructions for course teams, letting them know where
they should modify the text according to their courses
Change course_id to package_id
on new Locators to make it clear that they have a different syntax
than Location.course_id altho they represent the same info.
Add info about template for Checkbox problem type

Change text to "click Checkboxes on the Common Problem Types tab" and
add image of checkbox button
Correct minor formatting error
Merge pull request #2019 from edx/talbs/tinymce-fonts

TinyMCE: Updating Google Font Syntax
Add @tusbar to AUTHORS file

To acknowledge his help with refactoring URLs in our CSS to be
protocol-relative
Merge pull request #1975 from edx/db/revert-revert-https-fonts

Studio HTTPS Fonts (re-enable)
Moved bok-choy page objects and setup.py to common/test/bok_choy
Merge pull request #2025 from edx/will/saner-page-object-structure

Moved bok-choy page objects and setup.py to common/test/bok_choy
Add base package to edxapp page object setup.py
corrects typo in legacy.py (LMS-1675)
Merge pull request #2028 from edx/adam/fix-error-student-data

corrects typo in legacy.py (LMS-1675)
Merge pull request #2027 from edx/will/fix-page-object-install

Add base package to edxapp page object setup.py
Merge pull request #2022 from edx/dhm/locator_course_id

Change course_id to package_id
Update formatting for notes to instructor

Change formatting for notes to instructor from table to warning
Merge pull request #2021 from edx/sylvia/documentation/ORA-279

Add instructor notes to document
Added missing slash to avoid 302 when calling /notification_prefs/status
Removed extra file

Removing long-file-name, stray file from earlier commit
removes references to specific edx email addresses (STUD-1069)