add missing import
Pep8
added image scaling
Fix some of the failing tests. Pep8.
Merge branch 'master' of git://github.com/plone/plone.app.tiles
Whitespace.
editing a tile notifies objectmodifies event
Merge branch 'master' of git://github.com/plone/plone.app.tiles
data-tile is no longer full url
fix use of portal_url since it is in admin frame
revert getting portal_url from parent frame
add class to button
Revert "data-tile is no longer full url"

fixing this in different place

This reverts commit 885aaaed918977efd841d4476e8680a1adb67791.
url of tile actions should be absolute urls
Do not fail if klass is empty.
updated README to work with the new combined docs in `buildout.deco`
Merge branch 'master' of git://github.com/plone/plone.app.tiles
with this we wont need to register tiletype in $.plone.tiletype

still we could register it if we dont like the defaults that
$.plone.tiletype.Base provide us
Merge branch 'master' of git://github.com/plone/plone.app.tiles
show icon on @@add-tile listing of tiles