Fixed desktop selection - default desktop

- Selected desktop is identified by the packages listed for a given desktop
- Using package that defines a gnome pattern as an identifier for GNOME
- Removed also x86 patern
- All according to bnc#866724
Merge pull request #16 from kobliha/fix_desktop_selection

Fixed desktop selection - default desktop
- set btrfs_increase_percentage to 300 (bnc#868246)
Merge pull request #17 from aschnell/master

- set btrfs_increase_percentage to 300 (bnc#868246)
upgrade: removed checkmedia, added registration (bnc#869651)

- 12.0.16
Merge pull request #18 from yast/upgrade

upgrade: removed checkmedia, added registration (bnc#869651)
add whole autoyast to first stage
Merge pull request #19 from yast/add_whole_autoayst

add whole autoyast to first stage
"GNOME SLE Classic" is now known as "sle-classic"
Merge pull request #20 from fcrozat/master

"GNOME SLE Classic" is now known as "sle-classic"