Merge pull request #69 from ChrisBoesch/master

Updates
Challenges Update

- Added link button
Merge pull request #190 from ShaikDawood/master

Challenges Update
Merge pull request #45 from ChrisBoesch/master

update
Merge pull request #191 from LI-HE/master

updated story controller to correctly show updated items on the info tab
Merge pull request #70 from ChrisBoesch/master

Updates
Merge pull request #192 from ruijunhuang2010/master

Merge pull request #45 from ChrisBoesch/master
Merge pull request #71 from ChrisBoesch/master

Updates
To display challenge type
Merge pull request #193 from ShaikDawood/master

To display challenge type
Merge pull request #194 from LI-HE/master

minor change to show the go button correctly
Merge pull request #4 from ChrisBoesch/master

updated