fixes #2976 - make SimpleDirChooser path editable
Merge pull request #3393 from marco-dev/editDirChooserPath

fixes #2976 - make SimpleDirChooser path editable
Added missing german strings
Update changelog_master.xml
Chnaged dsplay units to favorites and Favoriten (de).
fixes #3325 - warning on upload if personal note exceeds 4000
Added a popularity ratio filter to filter on favorites per find.
Removed the constraint that only caches > 9 finds are handled and also
applied this change to the popularity ratio comparator.
Merge pull request #3407 from marco-dev/personalNote4000

fixes #3325 - warning on upload if personal note exceeds 4000
Update changelog_master.xml
fixes #3370 #2960 #1320 - also keep empty and null values for hint, short description and attributes
fix #3404: waypoint navigation opened twice
fix #3402: crash on GPX export
fix: GPX export failed to export "archived" flag
new: GPX export of travelbugs

* however, in most cases this cannot be re-imported due to missing
geocodes
fix #3397: remove number of caches from pocket query
NPE in tests
Merge pull request #3417 from marco-dev/fixDetailedNullAttributes

fixes #3370 #2960 #1320 - keep empty and null values
fix #3396: crash on logging event cache
fix #3394: filter for caches with personal note
fix #3377: OC waypoints get duplicated

* delete outdated waypoints from database after saving