version 2.5.4

add: remeber Map Items when app is closed/opened

add: allow to set activity when exporting to Breadcrumbs

chg: improve Quick switch

chg: improve GC offlinzer to load all listing images

chg: improve import system (mainly ability to choose category for tracks)

fix: problems with compass

fix: POI not shown on active RMAP

fix: problems with huge TAR maps

fix: problems with pressure sensor

fix: many small fixes and improvements, as usually