[PATCH] Move building angle from maps to libs

[FeXoR]

This patch removes the constant BUILDING_ANGlE from all random maps. Some of the maps need that angle though so a variable buildingAngle is added to library.js in rmgen.

Also the parameters that usually are given that angle are made optional (and a few others e.g. so that all after an optional argument are also optional).

The "Map initialization" comments where also removed when adjacent to a changed line for there is also a logged message stating the same.

[FeXoR]

Changed to const BUILDING_ORIENTATION, renamed attribute angle to orientation, moved orientation to kwargs

[sanderd17]

2nd version looks good IMO.

[FeXoR]

In 18198:

Moved BUILDING_ANGlE from the maps to BUILDING_ORIENTATION in a random map lib. Made some arguments optional with the default set to that constant, renamed some arguments and moved "orientation" in placeCivDefaultEntities to kwargs. Removed unneeded comments. Fixes #3988