Tahoe Code SVN development benchmark

added larger pipe geom

add example with aztec options

variation in matrix

adding gnuplot file

commiting ouput for nodes

adding benchmark for fluid_element

Ading new benchmark files that check cap hardening and change in spectral directions. Updating existing files for change in name of localization check parameter.

Adding new benchmarks for geomodel to check cap hardening and change of spectral directions

updates

updating benchmarks