Building all branches on Travis
Building all branches on Travis

There is no good reason to disable builds on non-master branches. Also, doing so allows developers to get build feedback without opening a PR.

mferenca/HMS-ecommerce,edx/ecommerce,eduNEXT/edunext-ecommerce,mferenca/HMS-ecommerce,edx/ecommerce,eduNEXT/edunext-ecommerce,mferenca/HMS-ecommerce,eduNEXT/edunext-ecommerce,edx/ecommerce,eduNEXT/edunext-ecommerce,edx/ecommerce