Added tests against mass assignment for effort_logs
Added strong_parameters gem for mass assignment protection
Added tests for effort_log_line_items against mass assignment
Added tests for peer_evaluation_learning_objectives against mass
assignment
Added tests for peer_evaluation_reviews against mass assignment
Fixed typo in peer_evaluation_learning_objective spec
Protected peer evaluation stuff (learning_objectives,
reports, reviews) from mass assignment using attr_accessible
About to switch to master
Added tests for job_employees and job_supervisors
Peer evaluation report/review/learning objective protected.
Merge branch 'sort_task_number' of https://github.com/Gonghan/whiteboard into sort_task_number

Conflicts:
	app/controllers/application_controller.rb
	app/models/peer_evaluation_learning_objective.rb
	spec/models/peer_evaluation_learning_objective_spec.rb
Have a partially written rspec test for sorting by task number
Currently just populates the grading queue with a single submission