[delivered #106270026] removing goxc so we can cross compile using just golang
[delivered #106270026] removing goxc so we can cross compile using just golang

we are now cross compiling using just golang supported
methods, no need for goxc.

we can now deliver a release to github
with this change which will allow
us to support:
better logging
postgres restore
postgres binary dumps

pivotalservices/cfops,pivotalservices/cfops,pivotalservices/cfops