Specify html lang.
Move demo JS to demo.js.

Conflicts:
	demos/CSSLintDemo.htm
Tweak CSSLintDemo.
Merge pull request #489 from XhmikosR/demo-split-js

Tweak CSSLintDemo
Add "load-grunt-tasks" and "time-grunt" plugins.

Drop node.js 0.8 support.
Re-organize dist directories.

There's now only a "dist" directory.
Enforce LF.
Get rid of the build date in dist files.

Version is enough and this is simpler.
Remove unused variable and simplify `banner` property.
Actually get rid of "Build" and put the version after "CSSLint".
Add "dist" alias for "build".
Add line breaks.
Tweak CHANGELOG output.
Rename target and remove unneeded arrays.
Run `grunt`.