[Testing: issue340]
* Add keychain package to GRML_SMALL.
* Add new packages to GRML_MEDIUM:
+ - grml-live
- keychain
- lzma-modules-2.6.23-grml
- squashfs-modules-2.6.23-grml (we build the module external now)
* Add new packages to GRML_FULL:
- aosd-cat
+ - grml-live
- lzma-modules-2.6.23-grml
- squashfs-modules-2.6.23-grml (we build the module external now)
* Support loading of squashfs module via