First step in dump and restore. Grafted vtx still missing in the process

Samo Penic

2014-03-05 e9eab4fb2f72383a1a2adbe5f09f7bbd1fd45768

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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.