Cascadenik

* Fixed `is_gym`/`is_merc` bug from https://github.com/mapnik/Cascadenik/issues/closedissue/10.

* Updated the CHANGELOG.
* Modified packaging script from `deploy.py` to Makefile.

* Removed numerous command-line flags from `cascadenik-compile.py`; see `--help` for info.
* Substantially modified path usage to be internally consistent for local and remote paths.
* Added new `.ini`-based datasource configuration (Nino Walker).
* Switched from python-based XML output to Mapnik-based XML output (Robert Coup).
* Added new use of `~/.cascadenik` directory for locally-cached files.
* Made local cache aware of HTTP 304 to minimize network traffic.
* Started to write CHANGELOG for 1.0.0 but it's late.

Version 0.x.x
-------------

* Packaged from r?.
* Added support for handling remote, single file-based datasources other than zipped shapefiles.
* Added support for MarkersSymbolizer, RasterSymbolizer, and MetaWriters:
- http://trac.mapnik.org/wiki/MarkersSymbolizer
- http://trac.mapnik.org/wiki/MetaWriter
- http://trac.mapnik.org/wiki/RasterSymbolizer
* Added support for zipped shapefiles that are local to the filesystem.
* Re-implemented support for installing dependencies via Setuptools, if available.
* Refactored handling of file-based resources.
* Added preliminary support for writing XML compliant against different Mapnik versions.
* Added support for caching (avoiding re-downloading) remote resources (initial patch from tmcw)
* Exposed the variety of new options as command line flags for `cascadenik-compile.py`.

* Initial release.
* Packaged from r941