nxtrim 0.3.0: New formula

Software to remove Nextera Mate Pair adapters and categorise reads
according to the orientation implied by the adapter location.

Closes #1515.

Signed-off-by: Shaun Jackman <sjackman@gmail.com>
nxtrim: add 0.3.0 bottle.
nxtrim 0.3.0: Add head
mumps: bump revision for open-mpi
mumps: update 4.10.0_2 bottle.