v0.0.19

Changes

• [e61daa3] - fix some styles while dragging visualizations. only allow dragging from toolbar (jeffshaver)
• [6d701b2] - configurable dashboards (pml984)
• [48976f7] - change visualization styles (jeffshaver)
• [9d8caf8] - fix issue that caused all visualizations to be 2 columns wide (jeffshaver)
• [363ad31] - fix issue when dashboards only had one visualization (jeffshaver)

Dependency updates

• add react-grid-layout at 0.12.7