Added definition for SLC 6.4
Fix for old Ruby in SLC 6.4
Fix for bootstrapping EPEL repos: use '5' not '5.9'
Update Vagrant box to SLC6.4
Update veewee/README.rst for SLC6.4
Increase SLC6.4 box cpu count to two
Add hisparc user to SLC6.4 box
Remove SLC5.9 box definitions
Update EPEL repo bootstrap to SLC 6
Add /usr/local/bin to sudoers path
Install supervisor 3 using pip