Added gauges and regions to annulus example
Fixed dumpgauge.f to reset q to 0 if less than 1.e-90 for printing without underflow
set max1d=60 for openmp
Modifed shockbubble example...

Added gauges and regions to test these
Changed tfinal to 1.1 so tracer completely leaves region by end
Removed allowflag from Makefile
Changes to tests/acoustics-example1...

Added gauges -- 1 and 2 should give similar results
Fixed clawdata to amrdata, added regions stub
Added gauge plots
fixed Makefile for openmp, removed allowflag
tested Richardson estimator and modified tolerance to give reasonable results