Merge pull request #9 from kyrias/master

PKGBUILD: Update pkgbuild with new deps and manpage
Clarify send to geojson.io wording in archmap.conf
Merged with github master, fell behind
Clarify send to geojson.io wording in archmap.py
Only print geojsonio import error msg if needed

The geojsonio import error message was printed if the module failed
to import, now it only prints if you try and use the feature
without the module.
Revert "Remove 'Johannes Löthberg' from copyright info"

This reverts commit 2da783fb62df4ddd016f2e9d14372f895a8adcaa.