Addition to metrics (i100, Read10), fix of memory leak

The i100 and Read10 metric were added (also as time series). The e-index was removed.

Using the 'Manager' class from multiprocessing turned out to create a memory leak. An alternative method was implemented to retrieve model results, using the Pool from multiprocessing and by having the results harvesting method 'return' results (rather than inserting them into shared memory).