Updates & bugfixes

Signed-off-by: deepak <dpak.cherian@gmail.com>
misc updates.
roms_read_data now supports start, count & stride.

Signed-off-by: deepak <dpak.cherian@gmail.com>
Some updates.

Signed-off-by: deepak <dpak.cherian@gmail.com>
Prints diffusion coeffs for passive tracers also now.
Fixed bug in domain_integrate.m

Signed-off-by: deepak <dpak.cherian@gmail.com>
Bugfix.

Signed-off-by: deepak <dpak.cherian@gmail.com>
backup
merge with remote : avg1
added memory info.
fixed startup.m
Fixed ls on Linux problem. now manages to read files.
Fixed writing of structure within structure, e.g. nondim.eddy
misc. updates for linux system
updates
speeded up write_params?
definitely speeded up getting grid info by moving from nc_varget to ncread
updated linex, liney to use backend dcline
converted to ncread - speedup
fixed bug with reading vectors from multiple files
misc updates
removed roms_get_grid from wilkin