linux-install-doc: general update on debian based distros

* Oneiric is not supported by launchpad anymore - replace with Saucy
* Remove "**Notice for Lucid users**" - we don't support this release for a long time.
* Also remove "**Notice for Oneiric users**" - see above.
* Remove instructions for Sqeeze - beleave it is not needed anymore. 1.5.1 is even not available in our stable PPA anymore..
* Adding Debian Jessie
* Adding Bodhi Linux 3