Interface for Benchmark Results should show Timeouts (such as for loading)

[Aklakan]

In some cases, like here, the result pages show errors such as The experiment took too much time.

The timeout value should be indicated (i.e. was it 5 minutes, 1 hour, etc).

[MichaelRoeder]

• [ ] 1. The (error) ontology needs to be extended accordingly to store the value.
• [ ] 2. The controller has to store the data.
• [ ] 3. The gui has to add the value to the error message.