Adds initial chapter text: what, why, PSRs, Bio, References
Claimed topic - measuring success
Expands on Why should I care?
Adds section: Why This Matters To Me
Expand on why coding standards matter
Adds links and some rewording
Merge remote-tracking branch 'upstream/master'

Conflicts:
	toc.json
Claiming topic measuring success, also includes first draft
Fixes typos and adds PSR-1 section
Adds PSR-2 section
Adds PSR-3 section
Adds chapter next/prev
Adds section describing PHP_CodeSniffer
Update coding-standards.md

Fixed a few typos.
Update coding-standards.md
Fixing list format
Merge pull request #6 from fixxxeruk/master

Topic claimed - measuring success
Merge pull request #7 from gavD/wip

Draft one
fix syntax error
claiming my topic