Merge pull request #196 from seven-phases-max/master

Restore old fonts.
hack in URL to fix edit links
Fix typos
Merge pull request #198 from radium-v/patch-1

Fix typos
fixed typo in extend(1n+3) example.
Update detached-rulesets.md

Added scoping details and small introduction with simplest possible example.
Update mixins-as-functions.md

Added details about scope protection and information about return mixins.
Update mixins-as-functions.md

fixed typo
Update detached-rulesets.md
Fix link to Changelog
Merge pull request #202 from harshadsabne/master

Fix link to Changelog
Added a mixin library to the collection
Merge pull request #206 from pixelass/patch-2

Added a mixin library to the collection
Update using-less-in-the-browser.md

dumpLineNumbers options where poorly displayed (because of empty inline block : ``)
Merge pull request #207 from oliverpool/patch-1

Update doc: using-less-in-the-browser.md
Update frameworks-using-less.md

add prelude css framework
Merge pull request #208 from amazingSurge/patch-1

Update frameworks-using-less.md
Fixed wrong link.
Added get-unit function description.
Added svg-gradient function description.