added fortran90 sample
Merge branch 'develop' of https://github.com/t-sakashita/rokko into develop
Merge branch 'develop' of https://github.com/t-sakashita/rokko into develop
added c and fortran samples codes
add CMakeLists.txt for C wrapper
fixed arg ictxt of blacs_gridinit from const int* to int*, which solved a runtime error.
updated c-fortran samples