New use flags: examples, github, i18n, minimal, python, webkit.
More languages for i18n. Package source now downloads from project
website. Update dependencies and address wxwidgets upgrade issue.
USE flag 'debug' made functional in the bumped ebuild. Remove
outdated kicad-20130518.ebuild
Gentoo-Bug: #560768
Gentoo-Bug: #499040
Gentoo-Bug: #560766
Pull request https://github.com/gentoo/gentoo/pull/313