* src/esx/esx_driver.c src/esx/esx_vi.[ch] src/esx/esx_vmx.[ch]:
adds version checking for GSX 2.0, allows to pass a specific port
for the connection and also add a new specific gsx scheme for
easier connections to GSX hosts
* src/esx/esx_driver.c src/esx/esx_vi.c src/esx/esx_vi.h
src/esx/esx_vmx.c src/esx/esx_vmx.h: extend the VI API version checks
to accept version 4.0 and takes care of the virtualHW.version change
from 4 to 7.
* src/esx/esx_driver.c src/esx/esx_util.c src/esx/esx_util.h
src/esx/esx_vi.c src/esx/esx_vi.h: adds a no_verify query parameter to
stop libcurl from verifying theserver certificate for the https
transport.
* src/esx/esx_*.[ch]: the driver, uses a remote minimal SOAP client
to talk to the VI services on ESX nodes.
* configure.in include/libvirt/virterror.h src/Makefile.am src/driver.h
src/libvirt.c src/virterror.c: glue in the new driver
