Merge pull request #385 from ruijunhuang2010/master

update
Merge pull request #386 from ruijunhuang2010/master

validate story duplicate name
Merge pull request #120 from ChrisBoesch/master

Updates
Practice Page Edit

- Practice change heading design to that of challenge creation
Merge pull request #387 from ShaikDawood/master

Practice Page Edit
Merge pull request #9 from ChrisBoesch/master

update