inspector: Add tooltips to header buttons
inspector: Fix pane height
inspector: Split out color-display creation to another function
Add a pixmap inspector
Add an eyedropper tool

To select windows visually...
Add a simple mechanism to disconnect a client

This is simply a way to "disconnect" from events. It will not destroy
any resources
created by the client, or drop any grabs taken by the client.
Make the cursor window emblem a bit rounded, and add some spacing
Work more on article
inspector: Mark window as override-redirect
calculator: Port to a Class, sort of

Inheritance will let us share most of the code, while allowing us
to have server-side decorations in the future.
calculator: Use strict
Add a SSD variant of the Calculator

For a WM demo
article: Work more on it
article: Fix inspector placement
inspector: Add headers to the sections
inspector: Add a Geometry pane
inspector: Change the pixmap tooltip description a bit

Make it use the fancy symbol, and color it a bit better...