Add Debian 7.6.0 (based on amd64 netinst iso file)
Add Debian 7.7.0 (based on amd64 netinst iso file)
Add Ubuntu 14.04 (based on amd64 server iso file)
Add Ubuntu 14.10 (based on amd64 server iso file)
Merge pull request #342 from kedrap/master

Add Debian and Ubuntu boxes