Update changelog with studio marketing site feature
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.
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
Removed extra file

Removing long-file-name, stray file from earlier commit
Merge pull request #2035 from edx/markhoeber/documentation/remove_stray_file

Removed extra file
BLD-541: Fix video controls on iPad.
Add tests for Android.
Address comments.
Set the registry for node in prereqs
Merge pull request #2037 from edx/will/npm-registry

Set the registry for node in prereqs
Merge pull request #1963 from edx/zoldak/update-changelog

Update changelog with studio marketing site feature