initial slideshowblock
added removeChild method so we can create an adminclass
added title and path properties
sonata admin passes the instance, not the id
added admin classes for slideshow
added reordering
Merge remote-tracking branch 'origin/master' into slideshow
added image to admin and template
namespace was changed
indentation
updated todos
adapted containerblock so new items can be added with sonata
corrected logic to determine if we're in edit or create mode
never return null
added TODO, corrected name
removed unneeded property. allow extending classes as slides
path prop doesnt exist anymore
removed custom service for slideshows and reuse ContainerBlockService instead
added second admin class for inline slideshow editing (MinimalSlideshowAdmin)
updated TODO, cs