Bug 936371 - First version of marionette-file-manager.
Merge pull request #1 from evanxd/bug-936371

Bug 936371 - [marionette-plugin] APIs to setup video, image, music resources for testing.
Bug 943768 - Update the doc.
Merge pull request #2 from evanxd/bug-943768

Bug 943768 - Update the doc.
Bug 944294 - Run test on Travis.
Merge pull request #3 from evanxd/bug-944294

Bug 944294 - [marionette-file-manager] Run test on Travis.