Mode standalone: Bugfix, use x/y/z instead of x/y/zoom
Mode standalone: bugfix, convert geometries to result srs
Converting geometries to result srs: try to reduce amount of conversions
Main: fix database type list, add reference to documentation

- closes #90
Main loop: add all config options as replacement patterns
DB/*: add option to set search_path
Merge pull request #91 from plepe/search_path

DB/*: add option to set search_path
DB/*: add option db.hstore_key_index
Externals: Update MAKI icons
Update to version 0.9.1
Mode standalone: when using z/x/y urls, either accept z= or zoom=
Merge branch 'master' into parallel-move-objects-call-to-main

Conflicts:
	pgmapcss/compiler/compile_function_match.py
	pgmapcss/compiler/compile_sql.py
	pgmapcss/version.py
Mode standalone: specify output format
DB/Overpass: bugfix compiling selectors, don't filter for object_type when None