MatKAIJ: minor cleaning

applied attribute format fixes to mat headers

Docs: add kaij.h to SOURCEH in makefile

Update comments on Mat_MPIKAIJ struct to better explain differences between sequential and parallel KAIJ cases.

Use MatKAIJ_build_AIJ_OAIJ() to ensure AIJ, OAIJ are up to date throughout the KAIJ routines.

Thanks-to: Mr. Hong Zhang <hongzhang@anl.gov>

Use MatKAIJ_build_AIJ_OAIJ() in MatSetUp_KAIJ()

Add MatKAIJ_build_AIJ_OAIJ().

Fix manpages: Input/Output Parameter --> Parameters