Update the ISO examples.
yum-utils seems too useful to remove
Some people use mercurial and bazaar too.
Don't install things that aren't necessary.

* systemtap is for kernel profiling.
* cscope and ctags might be useful if you were developing directly
  on the machine. But you're not doing that right?! :)
* intltool is for converting between formats. Doesn't look useful
  and has *a lot* of dependencies.