Draw2D 0.7.9 released

Bug fixed: Fixing the missing alpha blending in the InternetExplorer (Thanks to 'floyed')

Bug fixed: Removed ugly dotted selection line in FireFox.

Bug fixed: Switch to alpha blending if you really move a figure. Don't show the alpha blending if the user click on a figure.

Feature added: Add new method Figure.setCanSnapToHelper(/*:boolean*/ flag). Useful for a Window figure. It make no sense to snap a window to a grid.

Feature added: Add SnapToGrid feature.

Feature added: New demo for the SnapToGrid feature.