data update
PLZ.pm: added type "barracks" (Kaserne)

Needed for "Hottengrund (Kaserne)"
missing_streets helper: use get_street_type()

By using PLZ::get_street_type it's now possible to distinguish streets
and non-streets, so the huge exception list could be commented out.
missing_streets.pl: added a few exceptions

The old outcommented list is now deleted. With the exceptions, and the
forthcoming data updates, no more missing streets are found.
missing_streets exits with 1 if unhandled missing streets are found
new check: .check_missing_streets
removed remaining XXX_outdoor usages in scripts
DistDB: workaround for inaccessible points

BBBikeRouting's fix_position cannot handle inaccessible points. So if
either start or goal are not accessible, the route search fails.
Current workaround is to use the as-the-bird-flies distance instead.
fragezeichen2org: integration of nextcheck-less records and more

* new option --with-nextcheckless-records (by default enabled), to
  show also fragezeichen-like records without a nextcheck date
* new option --debug
* PLANNED is now PLAN (same length as TODO) and listed in org's
  SEQ_TODO
* item bodies show now all fragezeichen-like directives (XXX,
  add_fragezeichen etc)
* wording of section titles adapted
* Pod update
BBBikeOsmUtil: boring line/area items are drawn very faintly

Items without any "interesting" tags are drawn with a very faint
dashed line. Additionally the tooltip of such lines (but not areas) is
set to "<empty>" (previously it was the empty string).

Rationale: there are some ways in Berlin (for example the borders of
the Urstromtal) (and probably also elsewhere) which are probably just
part of relations, but have no information (i.e. tags) of their own.
Previously such ways were drawn in the default style, that is, a solid
and relatively thick line, which was too prominent.
info window: show osm_watch template for osm items
data update (some systematic Berlin.coords.data checks and changes)
data update