more responsive Stations dialog header
layout long text on Stations dialog using wordwrap instead of separate lines
lat/lon in 'FieldSites' table now required
distinguish clicks of Site add/edit buttons
on Stations dialog, show Site lat/lon text box
work towards showing Site lat/lon in Stations dialog
'ShowSiteLatLon' fn in Stations panel
added code for Site dialog and panel classes; not activated in yet
Site dialog worked in, still some bugs
bugs fixed in Site dialog process
improved behaviour of 'ShowSiteLatLon'
improved layout in Site Details dialog
new generalized 'getTextFromTC' fn
'getTextFromTC' fn now has 'default' option
new 'get from textcontrol' fn's for int, float, date, datetime
fixed bugs in 'get from textcontrol' fn's for int, float, date, datetime