Initial brain dump of a bylaw on amendments.
Annotations are important.
Dates on depreciations are probably smart.
Added reference lists.
Merge branch 'amendments' of github.com:philsturgeon/fig-standards into amendments
Feedback from @samdark.
Merge branch 'amendments' of github.com:philsturgeon/fig-standards into amendments

Conflicts:
	accepted/PSR-1-basic-coding-standard.md
	accepted/PSR-2-coding-style-guide.md
	bylaws/006-psr-amendments.md
Implemented Pádraic Brady's Feedback