install-chef-suse: Java 1.6 is unneeded

The correct java version (currently 1.7) will be pulled in by package
dependencies.
install-chef-suse: Disable nagios when using --from-git
install-chef-suse: Run zypper non-interactively when using --from-git

To avoid zypper prompting for confirmation of packages to install
install-chef-suse: Install tools in /opt/dell/bin when using --from-git

All tools required during the install-chef-suse run are copied to /opt/dell/bin
now when called with --from-git.
install-chef-suse: Create a fake pfsdeps view when using --from-git

The pfs enabled barclamps depend on the pfsdeps view being present to be able
to show their UI in its full beauty.
Merge pull request #1923 from rhafer/master

Minor install-chef-suse cleanup for pebbles and roxy