KmlObject JavaDoc

git-svn-id: http://osmbonuspack.googlecode.com/svn/trunk/OSMBonusPack@216 a1b53bf6-db27-9bef-da93-b0e99b91ed31
KML: save and read local kml files. 

git-svn-id: http://osmbonuspack.googlecode.com/svn/trunk/OSMBonusPack@224 a1b53bf6-db27-9bef-da93-b0e99b91ed31