Add Huboard Logo to Hipchat Notifications
Replaced HuBoard logo with user github avatar
Add Githubs task_list.js with modifications to handle event teardown
Implemented task lists in issues
Checking in application.js
Fixed IssueBodyController throw exception when closed while saving, fixed issue reorder bug
Properly tearing down task related events, Implement task lists on comments
Disable editing of comments saving a tasklist
Merge remote-tracking branch 'origin/hipchat_integration_improvements'