py3 scripts: Update hash-bang line to use /usr/bin/env python3
bat2kml: Fix log line for riverfile open
ncbathy2kml: bugfix
mkbdypts: Allow comments on bdy-count lines
bathy2kml: kmlfile optional, some comments in inputs allowed
mkbdypts: remove spurious message written as warning
Merge branch 'master' of ssh://git.code.sf.net/p/getm-utils/git
find_nearest_cpoint: Fix bug with --help