ferm: don't automatically add semicolons

Don't automatically add semicolon to rules, as they may contain braces
and ferm will grok on a "{ ... };". Push the semicolon on the call site
instead.

Plus, a template path was wrong (oh jenkins how I wish you were smarter).

Change-Id: I8fc4bbe89c8d6055f4f37b95933637facfa80459