Some tuning for Arctic2.
Adding W-velocity to tidal filters.
Fixes for writing w to averages files.
Fix to wvelocity in averages files?
src:ticket:618

git-svn-id: https://www.myroms.org/svn/omlab/branches/arango@1551 f091316a-d328-0410-a40a-876eff57d070

Conflicts:

	ROMS/Nonlinear/Biology/nemuro_inp.h

Conflicts:
	ROMS/External/ocean_channel_neck1.in
	ROMS/External/ocean_channel_neck3.in
	ROMS/External/ocean_dogbone_refined.in
	ROMS/External/sediment_test_head.in
	ROMS/Modules/mod_scalars.F
	ROMS/Nonlinear/Biology/nemuro_inp.h
	ROMS/Nonlinear/nesting.F
	ROMS/Version
src:ticket:621

git-svn-id: https://www.myroms.org/svn/omlab/branches/arango@1553 f091316a-d328-0410-a40a-876eff57d070

Conflicts:
	ROMS/Bin/check_nc.sh
	ROMS/Bin/verify.bash
	ROMS/Include/dogbone.h
	ROMS/Nonlinear/nesting.F
	ROMS/Utility/ntimestep.F
	ROMS/Utility/set_contact.F
	ROMS/Version
src:ticket:622

git-svn-id: https://www.myroms.org/svn/omlab/branches/arango@1554 f091316a-d328-0410-a40a-876eff57d070

Conflicts:

	ROMS/Utility/check_multifile.F

Conflicts:
	ROMS/Utility/read_phypar.F
src:ticket:624

git-svn-id: https://www.myroms.org/svn/omlab/branches/arango@1555 f091316a-d328-0410-a40a-876eff57d070

Conflicts:

	ROMS/Utility/check_multifile.F
	ROMS/Utility/checkdefs.F

Conflicts:
	Data/ROMS/Grid/dogbone_ngc_composite.nc
	Data/ROMS/Grid/dogbone_ngc_refined.nc
	ROMS/Modules/mod_nesting.F
	ROMS/Nonlinear/nesting.F
Fixes from Paul Budgell.
Arctic domain compiles and runs.
Adding RUNOFF_SSH from Paul Budgell.