use --rosdistro to support both hydro/indigo, not install some debs for indigo
00-create-cd.sh: fix output iso name as well as description
use lsb_release to set code name
Merge pull request #7 from k-okada/support_indigo

use --rosdistor to support both hydro/indigo
Merge branch 'master' of https://github.com/tork-a/live-cd into use_lsb_release