svdply won't ask for ssh host confirmation by default. Improved svdply messages.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Renamed: SOFIN_DEPENDENCIES_FILE ⇒ DEFAULT_SERVICE_DEPENDENCIES_FILE.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Improved signal handling in deployer.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Implemented automatic managment of dead pids and old deploying states. Unified and cleaned up deployer code.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>