Add names of members of system wiki group
Add wiki controller, views and model files
revert pull request #28
test
test
Added utility functions plus refactoring.

- Functions added:
  - students_in_section(section_id)
  - students_in_course(course_id)
  - student_group_id()
  - teacher_group_id()
  - administrator_group_id()
removed a group member at his request
add
uploads
updating Group Video Chat member list
Add wiki option in menu
Merged commits through 10/17
Working on json feed.
Update from team master project.
Added simple controller and view to test embedding and linking a youtube video given the youtube_id.  Also fixed several bugs from people who don't know what they're doing.
Added recording database table
Added video and create functions for recordings controller. Fixed merge conflict.
Changed video to view. Added code to retrieve course section for index and video for view
This is going to be my working copy...

So I can do whatever I want with it.
Merge branch 'working-copy'

Added json feed for calendar events.
Added a general function that takes a query and a list of fields and
returns the results as a list of dictionaries suitable for passing
directly to the json function.
Added a sample view to show how the feed works.