Removed some non essential and experimental files

Samo Penic

2016-05-24 24cf44a822fef8c16cc4bc099c75582807204cb7

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Original written by Dan Kroll in FORTRAN. Code was then largely adapted and commented by Miha Fosnaric-Fosni. Rewritten into C by Samo Penic-Peni, with help of Miha's extensive explanations.