implemented getChildren for ScssPHP filter
recursively find dependencies
added test
updated JSqueezeFilter namespace

In the core provided filters namespace list changed:
JSqueeze to JSqueezeFilter
Merge pull request #581 from renarsvilnis/patch-1

updated JSqueezeFilter namespace
treat embedded templates as child nodes in TwigFormulaLoader.
Stop FilesystemCacheTest from failing if /tmp/foo exists
Merge pull request #589 from fredemmott/filesystemcachetest-master

Stop FilesystemCacheTest from failing if /tmp/foo exists
Added testing on HHVM andPHP 5.6 on Travis
Fixed StylusFilter tests
test that the assets from the embedded template are loaded.
Merge pull request #585 from bangpound/hotfix/load-assets-from-overridden-blocks-in-embed-template

Assets defined in overridden blocks of embedded Twig templates are not loaded
Merge pull request #468 from SamsonIT/scssphp_children_master

Scssphp children
Added define option to uglifyjs2 filter - Added unit tests & fixed uglifyjs tests.
Now accepting multiple define options - Added define option to uglifyjs too (ping @pjordaan).
removing dead code / commented line.
Reverting uglifyjs bin name.