move eval_answer to submission model
evaluate answer in mission_submission show action for staff
Whitelist uuid.
White list vars for M15, too.
Merge pull request #256 from DIdiHL/white_list_uuid

Whitelist uuid
Unblock the vars function in the whitelist
Merge pull request #257 from soedar/whitelist-1010s-oop

Unblock the vars function in the whitelist
Merge pull request #258 from wangqiang1208/features/run-test-cases-for-submission-show

show test cases results for submission show action
fix eval_answer refactor regression
enable dependent_on to be set across assessments (missions and trainings)
forms to show dependencies for assessments, ordered based on assessment type (mission or trainings)
small fix to include 'mission' or 'training' before dependent assessment
refactored can_start? to make available methods for finding dependent_assessment
updated access denied page to show uncompleted dependent assessment
minor markup changes
Change dependency relationship to HABTM and db migration script
small bugfix - return assessments that will be unlocked once mission is completed.
fixed overview for missions and training dependencies
fixed dependent_on relationships in assessment models
further styling and UI changes for multiple assessment dependencies