Still hardcoded for version information.

Used for table view display and export.

Will be used in more than one view.

This will enable easier use with QCharts::QDateTimeAxis.

Also provides the infrastructure for editing surveys on the server.

We now have API for getting notification about a survey, and we can check
if a survey has been completed already.

Listing works, creating partially works, update/delete still missing.

So far we can track basic usage statistics and report them to the server,
create and delete products on the server, and look at the raw data using
the analyzer tool.