added terminusmod fonts to ~/.fonts directory
    terminusmodx12r.icons.pcf for urxvt, xterm and dwm
    terminusmodx12r.psfu for console (the real terminal, not an Xorg terminal emulator)

- changed the console font to Terminus by running: sudo dpkg-reconfigure console-setup
and selecting Terminus at 12 pt font

- updated urlLauncher path to firefox for urxvt
- added yellow underline color to urxvt
- added cursor blink to urxvt

- added secondary scroll to urxvt (this configures urxvt to scroll in full-screen apps like
screen so lines scrolled out of screen end up in urxvt's scrollback buffer

- added notes.txt file to track system changes that require user input, such as navigating
ncurses menus