Add support for different "item renderers" for the different items in the file list module. including play button for music and thumbnails for images.
add image preview sidebar
center preview image
add default sub path for /web (facebook, twitter, etc.)

initial preview support for images and music
tweak the code
add observer for movie files
rework the namespace.cnd mixins
add video preview
rework the files sidebars to use named views
move the preview code into a single directive
refactor the different versions of the file lists