Clean up state machine diagram
Clean up state machine diagram

Change the orientation of the state machine diagram so it renders
large enough to read.

Fix reference to CHECKBOOT that should be CHECK_BOOT.

Fix reference to STOP that should be STOP_VM.

Fix order of edge definitions to make them more "logical".

openstack/akanda-rug,dreamhost/akanda-rug,markmcclain/astara,openstack/akanda-rug,stackforge/akanda-rug,stackforge/akanda-rug