Make Hogan template explicit

* Iab1c1a9025bd3e1e3d3a2bb5625adbdb6f7fddd2 depends on this.
* http://lists.wikimedia.org/pipermail/mobile-l/2014-July/007725.html

Change-Id: I762b0728b77bb39a83670d350cca6913cdd9c08f
Merge "Make Hogan template explicit"