Changes for delete section
Test cases for remove section
Some tweaks for remove section and merged changes from develop
Merge branch 'develop' into feature/SectionsTool_SM2

# By Parker, Eric P (10) and others
# Via Parker, Eric P (5) and others
* develop:
  ensure that all video urls are using https
  added __init__.py
  added template tags folder with video tags file, updated video_detail template to use quicktime for mov files
  New filter for getting just the last name from sortable_name field of enrollment.  Incorporate filter into shared name partial.  Add tests for filter.  Reincorporate some changes from prior merge that were lost and minor tweak to not have to do initial showing/hiding of empty section list div in JS.
  updated video detail
  added object embed for MOV files
  added HLS video to view for testing
  Add test to ensure enrollments are sorted by sortable name.
  Updated tests for view function section_class_list.
  reverting lti_launch.html
  Initial check-in of section class list view so changes in develop can be merged back in.  Added JS slider logic to section_details template and created new partial template that call to section_class_list method renders and returns.  The section_class_list returns a list of users that are in the course list, but are not already in the given section.  Start of a test file for this new view function.
  incorporated suggestions from code review
  updated reserves url for local, test, qa, and prod.
  updated reserves url for local, test, qa, and prod.
  fix to views -- change to use response.json rather than using response.content
  Update display of HUID/XID
  Implementation of sliding window functionality, so that the full class list becomes available for adding more students
  updated reserves url for local, test, qa, and prod.
  views.py: new function (remove_from_section) to remove a user from a section, using canvas_sdk section_details.html:  -- added ids to elements we need to find/manipulate via js  -- added javascript to:     call remove_from_section via ajax     generate success and error messages based on ajax success/failure     decrement count when user removed from section     hide name range in header while deleting users     display 'no users' message when count of users reaches 0 tests.py:     added tests for remove_from_section
  updated reserves list url in settings file to reflect new default view in isites tool

Resolved Conflicts:
	add_people/templates/add_people/_enrollments_list_by_name.html
	add_people/templates/add_people/section_details.html
	add_people/tests.py
	add_people/urls.py
	add_people/views.py
	lecture_video/views.py
Merge branch 'develop' into feature/SectionsTool_SM2

# By Parker, Eric P (2) and Yip, Josie (1)
# Via Parker, Eric P (2) and others
* develop:
  removed html5 video wrapper
  wrapped object tag with html5 video tag
  Update changed ID text to only display ‘SIS ID:’
Incorporated code review comments: removed commented line and modified test case descriptions, some of which were duplicate
Merge branch 'develop' into feature/SectionsTool_SM2

# By Parker, Eric P (3) and Roderick Morales (1)
# Via Roderick Morales (2) and others
* develop:
  JS functionality for alphabetized navigation
  added HLS audio detection
  send all media content from HLS to quicktime
  added css to move quicktime player left by 10px so it wasn't right up against the canvas menu.
Merge pull request #80 from Harvard-University-iCommons/feature/SectionsTool_SM2

Feature/sections tool sm2