Major development update.

* Updated LICENSE, READMES/METADATA.md and TODO.md
* Added example blog to examples/
* Added preliminary Pygments support for embedding code in pages.
* Add preliminary Wordpress dump importer
* Expansions to template_tools and metadata to support Blog use case.

examples/pixywerk.com/Makefile

@@ -1,2 +1,2 @@
-build: src/templates/* src/* src/images/* src/posts/*
+build: src/templates/* src/* src/images/*
 	python -mpixywerk2 src publish