Fix sort prefix in Doxyfile
Cleanly wrap MPI
Allow sc_MPI_Wait calls with NULL requests
Enable gather and reduce code for non-MPI build
Clean up sc_allgather name space
Clean up blas/lapack name space
Comment fix
Guard sc_log_print_summary against option error
Change contact email for libsc
Add some configure checks
Add issue on upgrading iniparser library
Typecast and comment on ranges in sc_options
Add sc_options_add_size_t function
Merge branch 'develop' into simplify