Increate maximum zoom level (fix #1340)
Increate maximum zoom level (fix #1340)

joseant/traccar-1,tsmgeek/traccar,orcoliver/traccar,jon-stumpf/traccar,tananaev/traccar,duke2906/traccar,tsmgeek/traccar,tananaev/traccar,orcoliver/traccar,joseant/traccar-1,duke2906/traccar,stalien/traccar_test,AnshulJain1985/Roadcast-Tracker,jssenyange/traccar,stalien/traccar_test,vipien/traccar,5of9/traccar,al3x1s/traccar,renaudallard/traccar,al3x1s/traccar,jon-stumpf/traccar,AnshulJain1985/Roadcast-Tracker,tsmgeek/traccar,ninioe/traccar,tananaev/traccar,ninioe/traccar,jssenyange/traccar,orcoliver/traccar,vipien/traccar,renaudallard/traccar,jssenyange/traccar,ninioe/traccar,jon-stumpf/traccar,5of9/traccar