new image layers module
no towtruck yet
move layers
simplify and update examples
delete layer, show x y, set w h for flattened
nudge layers
flatten layers to one canvas, tile option
clear last if deleting all
macro app simpler
endless drag tiled layer
move layer delete button
pattern tile improvements, list view css
white matte for exported GIF
drag gif from animation module to images menu
fixes color/size bug for gif encoding
updating example apps
omggif matte and transparency closes #120
show gif file size #117
show gif file size #117
Merge branch 'master' into gh-pages