Typo correction
Fixes #4096, Drop on map popup does not work

- ensure timely intialization of lists
Factor map reference retrieval
Use consistent variable name for reference
format readme
Add missing annotation
Narrow the scope of the zoom variable
Narrow the scope of the viewport variable
Identify variables initialized in onCreate()

Those cannot be null once onCreate() has executed.
Remove now unused method in DoRunnable
crowdin: New translations
Merge pull request #4104 from rsudev/crowdin_translations

crowdin: New translations
Remove stray '%' from Swedish translation
fix broken Javadoc
Move Google maps v1 files to package cgeo.geocaching.maps.google.v1

Hopefully this will make someone motivated to create the .v2
alternative.
crowdin: New translations
Merge pull request #4105 from rsudev/crowdin_translations

crowdin: New translations
crowdin: New translations
Merge pull request #4106 from rsudev/crowdin_translations

crowdin: New translations
Put map drawing utilities into their own utility class