SPRNG 4 with Autoconf/Automake 

(9/25/11)
* removed a lot of compiler warning code

(8/5/11)
* moved Fortran to F77 folders to not compile if no compiler installed

(6/7/07)
* fixed problem with autoconf for mpi
	
(4/17/07)
* fixed a bug with the unpack function  simple interface
* added directory EXAMPLES/mpisprng for mpi exams
* added directory TESTS/mpitests for mpi tests
* added virtual destructor in sprng class

	
