Merge pull request #20 from fcrozat/master

"GNOME SLE Classic" is now known as "sle-classic"
There is no second stage in upgrade anymore

- bnc#870437
New changes and new version
Added missing bnc #nr
Merge pull request #21 from kobliha/no_second_stage_for_upgrade

Removed second stage definition for upgrade
fixed product regexp to allow pattern based upgrade

from SLES11 (bnc#871174)
Merge pull request #23 from yast/pattern_based_upgrade

fixed product regexp to allow pattern based upgrade
enablee sshd by default on SLES (bnc#865056)
fix closing tag (thanks @msmeissn)
release
Merge pull request #24 from yast/enable_sshd

enablee sshd by default on SLES (bnc#865056)
Updated SLE12 Upgrade behavior
New changes file entry and new version
Merge pull request #25 from kobliha/master

Adapted software upgrade behavior to SLES 12 (bnc#871174)
setup network for upgrade workflow (bnc#871178)
release
Merge pull request #26 from yast/network_in_upgrade

Network in upgrade
clean up bootloader update with old obsolete stuff (bnc#872081)
release
Linked to the documentation of control.xml