Add TrailingZero linter

Akin to the `LeadingZero` linter, but checks for extra zeros after a
decimal point.

Change-Id: Ib4ba1e50dd4ea67a0b69a42fe29bc9a92b5773ee
Reviewed-on: http://gerrit.causes.com/42831
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>