restore some old tests, but make them hidden
Updates get_knowledgemap_topics to include all "Topic" level nodes as long as they contain exercises.
Merge pull request #2700 from rtibbles/dropdown_fix

Fixes missing topic bug for coach report: progress by topic
Teacher can export data from their facilities only
Added Tests to check correct facility is selected and option disabled for teacher while exporting data and admin has access to all facilities
Added Confirm box before store purchase
Merge pull request #2701 from anuragkanungo/nalanda-rct3

Teacher can export data from their facilities only
Use `if else` statement in `exercise.handlebars` to put title test when your are taking a test and practice when you are taking practice.
Merge pull request #2718 from mrpau/hotfix/2332-title-still-says-practicing-when-you-are-in-a-test

Hotfix/2332-Title still says "practicing" when you are in a test.
Updated Playlists -- Added Pre-requisite and advanced playlists
Merge pull request #2725 from anuragkanungo/nalanda-rct3

Updated Playlists -- Added Pre-requisite and advanced playlists
Updated Store Purchase Confirm Box with Item Title and Cost
Removed Console logging
Increase tastypie limits for CSV export to make them unlimited.
Tweak to facility unit test mapping.
Added timestamp_first and timestamp_last to exercise log export.
Convenience method on ExerciseLog to get AttemptLogs.
Adds is_teacher field to all relevant CSV exports.
Adds timestamp_first and timestamp_last fields to TestLog export.
Merge pull request #2739 from jamalex/exercise_data_export_fixes

Exercise data export fixes