Cygwin-based port for Windows

Added a makefile that compiles under Windows 7 using cygwin.
Merge pull request #7 from RudoRoemer/Iterative-Solution

Iterative solution
makefile for window/cygwin updated

now includes -lfftw3 flag
makefile for cygwin corrected/added

Felix now compiles under cygwin using libraries lapack, blas and fftw3
MAC ports using makefile-MAC.GF

gfortran use under MAC with lapack, boas and fftw3 (as welll as
openMPI) now works
Merge pull request #8 from RudoRoemer/MAC-port

MAC ports using makefile-MAC.GF
updated CSC makefile

renamed object file targets
Merge pull request #9 from RudoRoemer/Iterative-Solution

Iterative solution
Merge pull request #10 from RudoRoemer/master

Iterative Solution behind Master