Use shades of gray instead of green readmarker. Fixes #212

Also more space above and under it.
Rewrite bear PNGs to be stored more effective
Merge pull request #307 from xhochy/shrink-the-bear

Rewrite bear PNGs to be stored more effective
Merge pull request #304 from torhve/readmarker

Use shades of gray instead of green readmarker. Fixes #212
Use minified libraries

How did that happen? :O
Use our name in the title
Merge pull request #311 from glowing-bear/title

Use our name in the title
Add a few debug logging statements