add test to fa_criterias controller
Write test for CourseHelper
Merge pull request #44 from hieuk09/test_for_course_helper

Write test for CourseHelper

[Closes #41]
Refactor and Add test for Attendance model
[Closes #39]

Conflicts:
	spec/factories.rb
Update TravisCI badge link
Mention about Slimgems in README
Refactor and Add test for Event model
[Closes #36]

Conflicts:
	spec/factories.rb
Refactor CalendarController
Fix up Attendance spec

[Amend #39]
Clean up
Fix typo
Add SubjectLeave test model.
[Closes #15]
Add ClassTiming test model
[Closes #40]
Fix Attedance spec
Write test ElectiveGroupsController
[Closes #48]
Refactor date fields for Batch
[Closes #12]
Clean up ArchiveEmployee
clean up
Refactor and add test for BatchGroup

[Closes #58]
Write test CceExamCategoriesController
[Closes #49]