Only update the last known gps fix if the save to the tracks file is successful.
some improvements in map jumpiness. zoom still has jumpy behavior, but pan is now ok
Merge branch 'master' of https://github.com/apps4av/avare
some more map jumpiness improvement
5.5.4
check marks on charts now stay.
Map jumpiness fixed. 5.5.5
Match English version. Also corrected few typos
The single apostrophe needs a preceding '\' character in the resource string file.