Move to building over rustpkg
Port to rust 0.10.pre
Remove rustpkg dependency
Makefile fixes
Follow recent developments
Ignore build directory
Use new crate attribute syntax
Remove priv statements

priv is the new default visibility.
Switched to ~Vec<OptGroup>
Merge branch 'master' into 1

Conflicts:
	.gitignore
	.travis.yml
	src/knob/lib.rs