xF2 Add-on [OzzModz] Email Check 2.0.1

Removed branding.

Support: XF 2.2
Changed: Addon name to [OzzModz] Email Check
Added: Support link for addon in the addon list in the ACP.

Minor bug fix

Added option to block registration from proxy/vpn ip

Just some code improvements in making API requests
Note: This version is currently only tested on xenforo v2.0.2 on localhost. it's not yet tested on any live site.