Changed HowToBenchmark finalized
and Memoryusage - removed ref to "Not Found"
Merge branch 'master' of https://github.com/mikt/ProgrammingWorkshop

# By Mikkel Thomsen (3) and Lelia Ecaterina Basceanu (1)
# Via Lelia Ecaterina Basceanu (1) and Mikkel Thomsen (1)
* 'master' of https://github.com/mikt/ProgrammingWorkshop:
  Moar fix
  Fixing inclusion of findRandomWordlineNumber 3 times
  benchmarking expectations 2
  Fixed appendix - group contract & expectancy tables