[Tile-serving] [osm2pgsql] Rework sample multi config (#262)

[Paul Norman]

The sample multi config only included one table, making it not the best example. With two tables, this example better shows what can be done.

A bug where all objects with name were being put in the buildings table has been fixed in the rewrite.

It also uses boolean columns, showing how pre-processing with Lua can reduce stylesheet processing.

cc @kevinkreiser @zerebubuth 
You can view, comment on, or merge this pull request online at:

  https://github.com/openstreetmap/osm2pgsql/pull/262

-- Commit Summary --

  * Rework sample multi config

-- File Changes --

    D building.lua (124)
    A multi.lua (130)
    A multi.style.json (41)

-- Patch Links --

https://github.com/openstreetmap/osm2pgsql/pull/262.patch
https://github.com/openstreetmap/osm2pgsql/pull/262.diff

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/262
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