Bug 886037 - Add a styles actor for the style inspectors. r=jwalker

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extra : rebase_source : 80aa9dc491c77f4b73036daeddd48f51c40f015a
Bug 903454 - Rename CssLogic.FILTER.ALL to CssLogic.FILTER.USER. r=jwalker

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extra : rebase_source : 7115356a488daa890b9c4dde0f57a9df5d5f27c6
Bug 903453 - Make some CssLogic members explicitly public that we use elsewhere. r=jwalker

--HG--
extra : rebase_source : b05dce10120d7f7334389c8af32705351020618d