fix xml2-config --cflags output with regards to header file locations
Merge branch 'r151006' of src.omniti.com:~omnios/core/omnios-build into r151006
relax the version requirements for libxml2
update pci id database to 20130809
Move OmniTI CA cert to separate dir. Refs #58

It is not really a root CA cert. We intend to use it primarily for pkg(1).
Trim extraneous text from OmniTI CA pem file.

When pkg(1) sets a CA cert as approved, it remembers the hash
of the bare certificate block, not the hash of the actual file
that contained the certificate block.  If the origin file contains
additional text, making its manifest checksum different, pkg(1)
will be unable to find it in the repo.

Refs #58