add collapsible bricks
fix collapsible behaviour
redo whole brick creation
update changelog
add remotipart gem to handle remote: :true forms with file uploads
remove image validation because the image attribute contains more than 255 chars
only show collapse bricks nav if bricks are present
use simpler syntax
add image_cache input and update syntax
update changelog
update changelog again
remove whitespaces
add asset_cache field to handle cached asset
update changelog
resolve merge conflicts
Merge pull request #199 from screenconcept/features/backend_brick_view

add collapsible bricks