Log Message:
Update to 2.0.7. Fix a bug in buildlink3.mk while here.

2012-03-22 Raptor2 Version 2.0.7 Released

   CVE-2012-0037 fixed
   Removed Expat support
   Removed internal Unicode NFC code for better and optional ICU
   Added options for denying file requests and XML entity loading
   Added options for SSL certificate verifying
   Fixed reported issues: 0000448 and 0000469