ignore .DS_Store file
change log level
made to use shared cache connection for read-only query
changed configuration, log and temporary files store path.

{pref-base}/.nico.clj -> {pref-base}/.NiconamaAlertCLJ/config.clj
{pref-base}/.nico-log.propertis ->
{pref-base}/.NiconamaAlertCLJ/logging.properties
{tmpdir}/nico_?.log -> {pref-base}/.NiconamaAlertCLJ/nico_?.log
changed the application title
removed the debugging code
made load-pref not delete old pref file
changede app title