DiskWiper first upload

0.2 DiskWiper upload.

Tested on MacOS X

Standard supported:
1) Fast ( 1 passes ) 
2) Russian GOST P50739-95 ( 2 passes ) 
3) US DOD 5220.22-M ( 3 passes ) 
4) German VSITR ( 7 passes ) 
5) Peter Gutmann ( 35 passes )