v1.5.0

Bug Fixes

• drag: Fix error on prototype drag start (90ade55)
• Enabling scrolling in demo dashboard (80326f8)
• prevent changing bindings in gridster items on gridster destroy (982cc53)
• drag: Remove restriction about dragging items down/right (3e596c5), closes #228

Features

• api: extend "change" event object to have isNew and oldValues (4e5d541), closes #191
• config: Add option lines.always to always show grid lines (07c1512), closes #227