Change for ROS Basic Seminar textbook

I am not sure if I need to add these packages because it might be included in the JSK package already.
Just in case.
I thought we don't wish to select install or not install each time after boot PC.
Change iso filename because of error

I will try desktop anyway and then see what happens.
When I tried ubuntu-12.04.4-dvd-amd64, I could skip initial selection of install or not install.
delete desktop-full
Merge pull request #11 from wyasuda/master

Change for ROS Basic Seminar textbook