votinginfoproject/android-white-label-app — pull request #49 by flibbertigibbet (2014-08-26 19:46:51+00:00)
Title: Clear back stack on tab change.

Otherwise back stack retains history for all tabs together, which can result
in inconsistent state and unexpected behavior. See [discussion here](http://stackoverflow.com/questions/6987334/separate-back-stack-for-each-tab-in-android-using-fragments).