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* A portal_less inherited from CSSRegistry [sneridagh]
* Import/Export GS profile [sneridagh]
* A viewlet to include less files [sneridagh]
* Register less.js in portal_javascripts [sneridagh]
* A site wide configuration with : transform server side / client wide. [sneridagh]
* Provide documented buildout to install nodejs to compile your files server side [sneridagh]
* Make the results in cached with memoize [sneridagh]
* test with twitter's bootstrap sources [sneridagh]