Fixes:  - Repolist grep should be just on "epel/".  Whole name is too long.  - Check to see if Fedora or CentOS for vbox repo.  - Check to see if vbox is already installed.  - Fixes missing rpm command for vagrant install.  - Fixes whitespace problem with ovs_tunnel_if in global param.
Fixes:
 - Repolist grep should be just on "epel/".  Whole name is too long.
 - Check to see if Fedora or CentOS for vbox repo.
 - Check to see if vbox is already installed.
 - Fixes missing rpm command for vagrant install.
 - Fixes whitespace problem with ovs_tunnel_if in global param.

smallen3/bgs_vagrant,trozet/bgs_vagrant