Minor gradient update fix
Resolves #457
Resolves #460
Reset saturation on brightness change
Fixes #454.
Fixes #459 partially. Color information dialog is now not a modal but the topmost form.
Fixes #458. Updates to bind button active state to datasource, add "dialog on click" and "preview on drag".
Edit labels
Redesigned matching colors pane
Fix bugs in color updating. Cancel button on color dialog now works as expected.
Fixes #465 and #467
Add default eyedrop functionality to panel
Fix bug with color dialog update on panel click
Add new icons for existing buttons
Fixes #466. Add brightness and saturation icons. Updated tooltips.
Merge branch 'Feature-ColorPicker' of https://github.com/PowerPointLabs/repo into dev-1.8

Conflicts:
	PowerPointLabs/PowerPointLabs/PowerPointLabs.csproj