• emit dropped event when a widget is dropped from one grid into another (#823).
• don't throw error if no bounding scroll element is found (#891).
• don't push locked widgets even if they are at the top of the grid (#882).
• RequireJS and CommonJS now export on the exports module fix (#643).
• automatically scroll page when widget is moving beyond viewport (#827).
• removed lodash dependencies (#693).
• don't overwrite globals jQuery when in a modular environment (#974).
• removed z-index from .grid-stack-item-content causing child modal dialog clipping (#984).
• convert project to use yarn (#983).