OSX fix of *.mod file case problem
finish merging after git pull
proper indentation in CMakeLists.txt
make PTRDIFF_T size error a FATAL_ERROR
add proper return value for sizeof_ptrdiff_t.c (was undefined)
proper CMake Summary
remove unused configuration options
enable build for mpif90
Revert "remove unused configuration options"

This reverts commit c3df2bce1cffc08d88182fa8dd14597d40d13c9c.
Merge branch 'master' of https://github.com/Unidata/netcdf-fortran
Merge branch 'cmake-fixes' of https://github.com/nschloe/netcdf-fortran into nschloe-cmake-fixes