[gravity/poissonsolver] Removed obsolete and unusable poissonsolver.F90 together with all references to POISSON_FFT defines
Merge pull request #7 from gawrysz/master

Removed poissonsolver.F90 (obsolete, unused)
Merge branch 'int32' of github.com:gawrysz/piernik into int32
Merge branch 'master' into int32