rxvt-unicode: A more modern terminal

I recently started using rxvt-unicode. It has enhancements over rxvt which has enhancements over xterm.

I have come to enjoy the following features.

• When the window is resized, long lines are re-wrapped appropriately based on the new window width.
• Daemon/client mode allows new rxvt-unicode terminals to start snappier.
• It is faster than rxvt. Try the following benchmark with various terminals and compare for yourself.
• time cat <really big file>

Support for 256 colors is not enabled by default. To enable this, configure the source with the --enable-256-color.