Remove a whole lot of leftover untagged nodes from 162555456

I don't like how this change turned out. I will give it a second try.

Vrabevo land cover update, bring back the Forest multipolygon in preparation for adding more land cover

Vrabevo land cover update, bring back the Forest multipolygon in preparation for adding more land cover

Troyan Municipality Level 8 Administrative Boundaries

Troyan Municipality Level 8 Administrative Boundaries

Troyan Municipality Level 8 Administrative Boundaries

Troyan Municipality Level 8 Administrative Boundaries

Changes around the upper stream of Cherni Osam River

More precise placement of Kralimarkova Dupka

Change natural=heath to natural=grassland. Apart from being inconsistently used here, there seems to be no plan to render it in carto https://github.com/gravitystorm/openstreetmap-carto/issues/545#issuecomment-98479426

Add Kumanitsa cave entrance

Fix names around the name of Cherni Osam River

Add namespaced Bulgarian name for Steneto Reserve

Add missed land use when updating the geometry

Replace the geometry of Steneto Biosphere Reserve. The initial data entered with changeset 27379222 had been incorrectly reprojected so the geometry was misplaced, most notably the westmost part of the reserve.

Replace the geometry of Steneto Biosphere Reserve. The initial data entered with changeset 27379222 had been incorrectly reprojected so the geometry was misplaced, most notably the westmost part of the reserve.

Fix names of rivers in Troyan area

Use the Local name of the river Osam by default

Add tags to the river segments in the Osam river relation