add second RMA test that exercises Put/Get/Acc
start working on autotools build system
we use test not tests as subdir...
m4 from ARMCI-MPI
autoconf cleanup
move bigmpi header to appropriate place for autotools builds
not sure why libtool failing
trying to resolve autoconf failures
move bigmpi tests to test root
move cmake build files
add other tests to autotools
add skeleton for blocking v-collectives
no progress towards v-colls
gatherv_x using {send/recv}_x
simplify code
abort on intercomm
remove comment about github since we might host elsewhere some day
remove explicit tags in gatherv
use root instead of rank for clarity
implement scatterv