Fixede bug in spherical harmonics. Added new test program with initial shap...

Samo

2012-07-10 91c712c267f72f0dbbe865fec9d2eefd77ff8c0e

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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.