Attached patch for modified Rank_File RMAPS component.
1. introduced new general purpose debug flags
2. introduced new mca parameter opal_paffinity_slot_list
3. ompi_mpi_init cleaned from opal paffinity functions
4. opal paffinity functions moved to new file
5. rank_file component files were renamed according to prefix policy
6. global variables renamed as well.
7. few bug fixes that were brought during previous discussions.
8. If user defines opal_paffinity_alone and rmaps_rank_file_path or
then he gets a Warning that only opal_paffinity_alone will be used.