Finalizing changes

- ATA info added
- twitter promo working
- availability tweaks
- modem table changed
- new double infinite promo added
- voip provider added.
Merge branch 'Finalizing' into VOIP-Changes
Merge branch 'VOIP-Changes' of https://github.com/16twenty/contact into VOIP-Changes

Conflicts:
	application/views/order/steps/step_voip.php