add jquery ui
dependent destroy
fix new board creation
style list index
style list
fix add new card
style add card form
setup sortable ui
style boards index
set favicon and tab title
fix tab name, new card button outline, new card submit on empty
style sortable placeholder
add positions
fix link to board
add position for cards
sync moved card
merge sort_sync changes
sync lists on card move
Merge branch 'sort_sync2' into ui
styling and card movement