Merge branch 'develop' of github.com:yahoo/mojito into develop
Merge branch 'develop' of github.com:yahoo/mojito into develop
Merge branch 'develop' of github.com:yahoo/mojito into develop
Fixed a bad screenshot.
Merge pull request #1034 from zhouyaoji/docs_update_ex_image

[doc] Fixed screenshot for an example and modified documentation explaining the screenshot.