Adding support for gPXE
Todos:
  * copy undionly.kpxe to tftp directory (manual step right now)
  * support for profiles? This only works with systems right now
Adding support for ESXi5, and fixing a few minor things (like not having a default kickstart for esxi4)
Todos:
  * The esxi*-ks.cfg files are empty, and need proper kickstart templates
  * Import bug testing and general kickstart testing
If the xendomain symlink already exists, a clearer error will be produced.
Separated check for permissions from file existence check.
Merge remote-tracking branch 'upstream/master'
Merge pull request #10 from chjohnst/master

Looks good to me.
Update copyrights as we've never required assignment.
Update mdehaan's email addr
change wiki references from fedorahosted to github
missed one
changed wiki reference(s) from fedorahosted to github
changed homepage from fedorahosted to github
changed wiki references from fedorahosted to github where corresponding pages were available, a few aren't available (yet?)
changed homepage reference
changed homepage reference
changed wiki references from fedorahosted to github except 'advanced networking' and 'all about images', which aren't in the github wiki yet
changed link to new home page
changed url to new home page
fedorahosted -> github
fedorahosted -> github