Fix writing error in the language name

Language names are normally written with the capital first letter.
Fix missing character set for the demo page

WIthout meta character set, Safari 6.1.4 was not able
to show all of the characters on the page if page is opened via file://.

Adding charset fixed the problem on the browser.
Whitespace cleanup
Merge pull request #1 from d2s/language-improvements

Language improvements