2 versions of same library loaded

1. My premise that R had no references to mpi was incorrect.  The logs
show      
24312:     file=libmpi.so.1 [0];  needed
by /home/ross/Rlib-3.0.1/Rmpi/libs/Rmpi.so [0]
24312:     find library=libmpi.so.1 [0]; searching
24312:      search path=/usr/lib64/R/lib:/home/ross/install/lib
(LD_LIBRARY_PATH)
24312:       trying file=/usr/lib64/R/lib/libmpi.so.1
24312:       trying file=/home/ross/install/lib/libmpi.so.1