create CAN, CGN and CPN formats, with some fixes
Merge branch 'master' of github.com:sashite/open-standards.md

Conflicts:
	docs/Forsyth-Edwards-Expanded-Notation.md
	docs/General-Actor-Notation.md
	docs/General-Gameplay-Notation.md
	docs/Portable-Action-Notation.md
	docs/Portable-Chess-Notation.md