Add some todo notes
Add number to TOC
Move contents of image chapter to common elements chapter
Move semantic elements part from to elements page to it's own page, and add coming soon notes since it contains nothing yet
Switch order of css syntax and selectors chapters
Remove all old and non-functioning links from headers
Style chapter header in single
Add favicon
No need to make coming soon messages too detailed
Rename common elements chapter to avoid confusion
Fix visual placemengt bug of toc numbers discovered in FF
Let index page TOC links lead to anchors in the full TOC rather than to the first chapter of the part
Add spacer to paginated TOC
Dim out coming soon chapters in paginated and overview toc's
Add outline for versioning chapter
Add chapter outline for PHP part
Rebuild
Merge master into gh-pages