better defaults of extremum filtering but turned off by default anyway

include/visGWDB_filterInput.R

@@ -39,7 +39,7 @@ filter_max_month_to_keep    <- Inf  # LOOK HERE: maximum month that will be
 # DEPTH FILTER SETTINGS
 doLevAltFilter <- FALSE # LOOK HERE: Triggers a global sanity check on spikes.
 minLevAltFilter <- -200 # The minimum permissible water-level altitude
-maxLevAltFilter <- +500 # The maximum permissible water-level altitude
+maxLevAltFilter <- +400 # The maximum permissible water-level altitude
 # The defaults seem good for the MRVA in the MAP.