meng
rename create_node() to create_course_node() in course.rb
add several course unit tests
course unit tests done
course_node changes
add course_node_test.rb
fix an error
fixture added in user_test.rb
add course_node_test.rb and course_node.rb
course_team chaged refactored import
Merge branch 'hao' of https://github.com/mengcao/E608
add course_node_test.rb and course_node.rb
add course_node_test.rb with renamed methods
unit tests for CourseParticipant done
merge kenny
Test the sign up sheet feature as an administrator
Added title attributes to the links enclosing action icons to make easier for capybara selections
untrack Gemfile.lock
Add a new topic scenario finished and passing
Deleted pg_data and log from the repo!!