DragDrop: Fix incorrect intersection calculations after scrolling the viewport.
Build sm-dragdrop.
Merge branch 'master' of github.com:smugmug/yui-gallery
Editor.Style: check for explicit style first

Computed style returns different values for `bold` (700 in IE/Firefox vs `bold` in Webkit).  So only use computedStyle when we don't have an explicitly set value;
build gallery-sm-editor-style
Merge branch 'editor-style'