bump version
Use official "mark" logo from github. Which is also 4x lighter than the previous one...
Make tutorial.html (and embed.html) a bit more printer friendly
Include chapter counters in tutorial
Add a ratchet so charts get rendered once only, even when the mscgen-inpage script was included more than once/ called more than once on the same page.
Update tutorial.html
merge for gh-pages build 0.9.26
build 0.9.27