[Testing: issue340]
* Add keychain package to GRML_MEDIUM.
* Add keychain package to GRML_SMALL.
+ * Add new packages to GRML_FULL:
+ - aosd-cat
* Do not create /etc/sysconfig/network-scripts and
/etc/sysconfig/provider any longer in cleanup script.
* Fix typo in bootsplash f3 (thanks, jimmy).