Investigate the effect of changing <propertyoutput> in xml file

[cilwerner]

• How much time is spent on the generation of the .dat files
• Extracting and interpreting data in the resulting .dat files. Is it needed once, or always needed
• graphs/exercise on different gaps of timesteps between outputs and output types

[cilwerner]

How much does one need to output?

• dumping whole dataset? drawbacks etc.

[JonMcCullough]

Written into Episode 2, will need Ioannis' example graphs to be added here.