phi-oesd Code

Corrected syntax for editing tftp file.

Corrected the name of the configure function.

Use sudo to start/stop services when the user is not root.
Handling of networks has been added.
Activation of dhcpd moved from Deployment to env.infra.Networking.server.
Corrected a typo in a message in oesd_team.
The configuration of sudo is extended to enable start/stop of services for the user oesd_srv.
The --minor option for oesd_os is optional (Fedora has no minor versions).

The import statements of the moved file OperatingSystem.py have been corrected.
The requirements for the packages have been corrected accordingly.

Moved a file from oesd-shared to oesd-shared-client to avoid a requirement loop.
Renamed the user_add function to oesd_user_add as it only adds an oesd user to the system.

In the userinterface scripts, log the user calling the program.
Print local errors in the userinterface scripts.
Support searching for ancestors of a software product.
Do not demote or delete a software product when it has ancestors.

Do not use sub-directory for non-recursive exports.

Requirements have been added to reflect the imports of modules.

Replace program name python in syslog by the name of the program.

Avoid stack traces by adding a catch-all exception in the commandline scripts.
Use an exception logger to log stack-traces in syslog.