Bug 908749 - Create new forms helper

r=lightsofapollo
Bug 959708 - [marionette-plugin-forms] setValue fails if element has not been seen before r=jugglinmike

Signed-off-by: Mike Pennisi <mike@mikepennisi.com>
Release v0.0.2

Signed-off-by: Mike Pennisi <mike@mikepennisi.com>