added ability to pass variables into lessphp filter
add assetic routes automatically

closes #59
removed dump of assets on cache warmup
more upgrade notes
renamed configuration class as standard
a helpful exception

added an exception when using a twig assetic tag or function in a bundle that has not been enabled for assetic (is not possible for php templates)
another upgrade note
added closure compilation level

closes #46
minor extension tweak to work with new config:dump-reference command
added version
added version
fixed assetic version
another composer tweak
fix undefined variable
Merge pull request #63 from bgaleotti/patch-1

fix undefined variable
use Yaml::dump() when generating routing resource
Update configuration to work with latest sf2.1
catch TemplateNameParser exception when the filename is an already-resolved template path and contains '..'
Merge pull request #64 from Seldaek/master

Update Configuration to work with latest Sf2.1
Merge pull request #62 from kbond/config-dump

enable configuration to be dumped with new Symfony2 ``config:dump-reference`` command