Disables the quirks mode option in IE

Add X-UA-Compatible meta tag to disable the quirks mode option in IE9 (which breaks the formatting of the site).
Add link to Italian translation
Merge pull request #65 from alessandro1997/it-link

Add link to Italian translation
add link to russian translation
Add cyrillic character set
Merge pull request #69 from instanceofpro/ru

Add link to russian translation
Merge pull request #64 from coliff/patch-1

Disables the quirks mode option in IE
Czech translation

Czech translation
Merge pull request #72 from Smedzlatko/gh-pages

Czech translation
Add Traditional Chinese (zh-TW) translation. 

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Merge pull request #75 from JuanitoFatas/patch-1

Add Traditional Chinese (zh-TW) translation.
Alphabetize translations
Fixes #59: Document lang attribute
Fixes #70: Document IE compatibility mode
Break out mention of leading zeros to fix #77
toc link to ie compat modes
Fix #66: Don't use @import rules
Fix #63: Mention variable names in CSS names section
Fix #61: Document mention of character entities given UTF-8
Create LICENSE.md