solve regression introduced in changeset 17781 _on_ticker_error was not being handled outside of running state; use delay_once to handle delayed actions also

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19373 4046b530-fbad-4e16-af16-ee11f0b55167
on_hkd_kill arriving without a previous on_hkd_stop were not expected

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19380 4046b530-fbad-4e16-af16-ee11f0b55167
remove useless delay declarations for _on_lxc_done event already handled in the __any__ pseudo-state

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19382 4046b530-fbad-4e16-af16-ee11f0b55167