API to get list of course sections for a given term and search query

Will be used for the Manual Calendar Course Form feature
Updated course_search_form.js to properly use 404 in ajax call when checking if Sandbox course exist

Also deleted 2 unused files
Merge pull request #52 from ronvs/api-courselist-for-term

API to get list of course sections for a given term and search query
Merge pull request #53 from ronvs/course-form-update

Updated course_search_form.js to properly use 404 in ajax call when chec...
change base_dir to use common mountpoint
add status field to mysfu_enrollments_for output
Merge pull request #54 from grahamb/sfu-develop

add status field to mysfu_enrollments_for output
Removed unnecessary check if sandbox course exists

Since using timestamp as part of course_id, sandbox being created should be unique.
Made search query optional when getting course list for a given term

Now, if no search query is given, it will return the entire course list for that given term
Merge pull request #55 from ronvs/fix-sandbox-course-function

Removed unnecessary check if sandbox course exists
Merge pull request #56 from ronvs/course-list-api-update

Made search query optional when getting course list for a given term