Properly initialize the local repo in CLI's clone so that it gets properly closed afterwards.

The CLI Clone command was calling InitOp directly instead of cli.getOrCreateRepository().
As a result, there's no Repository instance reference inside the GeoGIT instance, and
hence GeoGIT.close() does not properly closes the databases, leading to the program exiting
without closing the db, which may lead to unsaved objects.
Fixing N E S W instruction in osm download manpage
Fixing N E S W instruction in osm download manpage
modified py4j entrypoint
Changed iterator used during import, so it can replace fid and feature type

That functionality had been mistakenly left aside after changes made to improve performance
extended ExportDiffOp to include feature ids in atributes
improved command parsing in py4j entry point, to allow using parameters with quotes