Main: set mode of compilation (database-function/standalone)
Create pgmapcss.mode; move header and footer from compiler
pgmapcss.mode: standalone, header/footer. need fix: indentation
pgmapcss.mode: remove __init__.py
pgmapcss.mode: fix indentation
Mode standalone: insert database connection options from arguments
Mode Standalone: return python values (e.g. dict instead of hstore)
Mode standalone: parse arguments; argument bounds
Mode standalone: pass scale denominator as argument
Mode standalone: print json output (not geojson!)
Mode Standalone: print notice/warning to stderr
Merge branch 'branch-0.9' into standalone

Conflicts:
	pgmapcss/compiler/compile_function_match.py
	pgmapcss/main.py
	setup.py
Mode Standalone: bugfixes

- use style_id in name of function call
- debug messages: add line break after message
DB/Osmosis: convert results to correct types

python3-postgresql, which is used for the 'standalone' mode handles types
differently as plpython3u's plpy
Mode Standalone/fake_plpy: handle type geometry[]
Mode standalone: change output to GeoJSON format (WGS-84)
Mode Standalone: Handle negative values in --bounds parameter
Mode standalone: bugfix, don't modify tags when printing -> clone
Merge branch 'branch-0.9' into standalone
Mode standalone: default no bbox -> whole database