- Update doc on wave_front::find_edges() to reflect current implementation.
- Update doc on wave_queue::init_netcdf() to include
  upper_vertex, lower_vertex, and on_edge in example.
- Remove use of pTargets_sin_theta and boundary_check from
  wave_queue::wave_queue() constructor.
Merge branch 'master' of https://github.com/campreilly/UnderSeaModelingLibrary