added sourcemap (sass >= 3.3) support to SassFilter
Updated PHPUnit to 4.x
Fixed the autoprefixer test
Fixed CS
Updated the changelog for 1.2.0
Merge remote-tracking branch 'origin/pull/542/head'

Conflicts:
	src/Assetic/Filter/Sass/SassFilter.php
Fix Sass load path

Throws "Fatal error: Access level to Assetic\Filter\Sass\SassFilter::$loadPaths must be protected (as in class Assetic\Filter\Sass\BaseSassFilter) or weaker"
Since it’s already available thorugh "BaseSassFilter", we don’t need it here.
Merge pull request #661 from niksy/fix-sass-loadpath

Fix Sass load path
Fix for `PATH` separator in `BaseNodeFilter`

Make it platform agnostic with `PATH_SEPARATOR`.
bug #663 Fix for `PATH` separator in `BaseNodeFilter` (Ivan Nikolić)

This PR was merged into the 1.2-dev branch.

Discussion
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Fix for `PATH` separator in `BaseNodeFilter`

Make it platform agnostic with `PATH_SEPARATOR`.

Commits
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e89f9ca Fix for `PATH` separator in `BaseNodeFilter`
Merge pull request #5 from kriswallsmith/master

Update from origin