Fix dragging of side panel so that it doesn't 'stick' to the mouse pointer - woohoo
Fix dragging of side panel so that it doesn't 'stick' to the mouse pointer - woohoo

ryanramage/svg-editor,trentmillar/ddp-level-editor,ryanramage/svg-editor,ryanramage/svg-editor,trentmillar/ddp-level-editor,trentmillar/ddp-level-editor