0.99.3-preview.4

• Added default image to represent disposed Mats
• VS 17.12 is the new minimum supported version
• Removed dependency on System.Drawing causing issues in VS 17.12+

0.99.2-preview.3

Added icon to extension identity

0.99.1-preview.2

• support for visualization of float and double channel types
• support for visualization of two channels Mats

0.99.0-preview.1

Initial visualizer extension release