Squashed commit of the following: Adding new phone number filter to base_filters and multiple templates.

commit d1a001330038a8fc0eba3a90ffa75c55479d8953
Author: John Eddie Ayson <je@bixly.com>
Date:   Sun Dec 23 22:42:06 2012 +0800

    updated phone number filter

commit fcbfab4be920f9ae580786b7afdf95ec597ef16d
Author: John Eddie Ayson <je@bixly.com>
Date:   Mon Dec 17 21:02:37 2012 +0800

    added 'phonenumber' template filter