Stop using obsoleted "-moz-border-radius" and "-webkit-border-radius" properties

Fixes #480
Italian translation available

Add italian translation
Merge pull request #494 from nameanyone/master

Stop using obsoleted "-moz-border-radius" and "-webkit-border-radius" pr...
Delete index.html
Delete favicon.ico
Update cla-individual.md
Break the links up into separate tiddlers
Merge pull request #499 from mpollio/master

Italian translation available
Add chinese translations of translatable core strings in JavaScript modules
Add chinese translations of PaletteColours
added missing text/html type
Missing semicolon
Add protocol to YouTube URLs

Otherwise they don’t work when viewed from a file URI
Move the version banner to the sidebar

By making it a page control we move it into the sidebar, making it easy
to control with the sidebar.
Add storyviews list filter and use it in view switcher
Use client bounding rect rather than offset positions for computing scroll positions
Add curved text demo
Fix tags for curved text howto
Remove obsolete nighttime theme

Better to do change the background colour with a palette
Add scrollable widget

A new widget to handle scrollable areas. We’ll use it both for the
story river and the sidebar.