extending angular's jqlite prototype with a  function that supports the same amount of css selector syntax as the  and  extensions
restricting the search for the transclude mount points to child elements only, so it doesn't pick up nested <vertical-fill-layout> elements, and to save time traversing the dom
supporting nested vfl directives, and supporting an angular linker that wants to link the transclude-footer before the transclude-header
Merge branch 'gh-pages'
performance improvement: only need to build that children object once, not 3 times.
Merge branch 'gh-pages'
release 0.2.0: supporting nested <vertical-fill-layout> directives