Tech - Doctors: Fix fetch and build for master branch [#52117753]

Pivotal tracker story [#52117753](http://www.pivotaltracker.com/story/show/52117753) in project *Tech - Doctors*:

> Sometimes, when you click fetch and build, it doesn't pick latest commit from appropriate branch. This is causing us to loose money, as we do unnecessary CI runs. We should fix 'fetch and build' or manual build, so it always picks newest commit from given branch.