Mention codemirror-announce list on project page
Specify character encoding on all pages.
Bail out of measureLine when editor is not in the DOM

That'll make getElementById fail to return our measure element,
which shouldn't break the whole editor anymore now.
Add some more random variance to temp element id
[xml-hint] Move from .substr to .slice for old-IE compat, fix offset bug

Closes #692
Save memory on null pointers in Line object
Remove some tailing spaces
Fix testsuite in IE
Make tests pass on Opera

And move browser detection up in the codemirror.js file, to prevent
further instances of 'use sniffing before actually doing it' bugs.
Migrate from innerHTML to DOM bindings / fragments.
Emulate textContent setter in case of IE
Clean up and optimize tab/invalid char rendering in getElement

Issue #698
Remove CodeMirror.htmlEscape

Issue #698
Add support for keywords in CSS mode
Note about mobile browsers to browser support section on project page
Give scroller element a V scrollbar again

Hide it by overlaying it with our fake scrollbar. Remove explicit wheel handling
for reasons of being extremely hard to get right.

Issue #694
Add info about setting a key binding to FALSE
Fix inserting of HTML gutter markers

Closes #703
Pressing Up while on the first line should move cursor to (0,0)
Use a more robust solution for biasing coordsChar to the right line

The old solution made clicking on tabs (and other wide characters) always
put the cursor *before* them, even when clicking near their right.