Tool demo pages

• Full UI demo
• Brush tool
• Polygon tool
• Point tool
• Raster tool
• Rectangle tool
• Linestring tool
• Ruler tool (mpp scale)
• Style tool
• Select tool
• Text tool
• Ellipse tool
• Tool event listener API

Overlay demo pages

• Rotation control overlay demo
• Screenshot overlay demo
• Field of view overlay demo
• Configuration widget demo