Hide 'Scan view' mode
Merge pull request #20 from edx-solutions/design-refresh-fixes

Hide 'Scan view' mode
Merge pull request #21 from dragonfi/master

PEP8, removing unused utility class
Copy .gitignore from github.com/antoviaque/xblock-atlas
Add cover directory to gitignore
Adapt unittest framework from xblock-atlas
Add workbench scenario
Test player token generation -- part 1
PEP8