v1.2

• Add a Ctrl+r shortcut to reset the transparency
• Add an arrow drawing method (button + a key shortcut)
• Cleanup the code a little bit

QOL improvment

In this release :

• The status bar show the location and the size of the window
• When pressing Shift, Rectangle and Ellipses will have x=y (therefore draw Square and Circle)
• When pressing Alt, Rectangle and Ellipses will have x=y (therefore draw Square and Circle) and the center of the shape will be the initial mouse click

v1.0

Update appveyor.yml