[NF] Sending information about updated billig details
[IM] Use ASN for PeeringDB links - resolves #26
Merge branch 'im-peeringdb'
[BF] Better password length consistancy. Fixes #23
[BF] Fix cancel location on billing form - fixes #24
[BF] Fix contact (pre)view - fixes #28
Update changelog
[BF] Fix user / contact deletion from user list
[HK] Stray comment
[CR/BF] Improve billing detail change notifications
[CR/BF] Improve billing detail change notifications (more)
Merge branch 'im-review'

Conflicts:
	application/controllers/CustomerController.php
	application/views/customer/forms/billing-registration.phtml
Update changelog
Spelling
Version bump
[IM] Hidding private Vlans then adding adding IPv4 or IPv6 addresses
[IM] Adding Mark All As Read Button in customer unread notes list
[NF] Adding auth email plain text templates
[NF] Authentication emails are now sent in plaintext and HTML
[HK] Typo