Adds a beep to Cli and allows the task_loop method to have an injectable big break duration.

Additionally, the cli specs have been temporarily disabled until i can deal with making them not run real pomodoros.
Add brass-bell.mp3

Credit for this sound goes to Benboncan from http://www.freesound.org/people/Benboncan/

The guy has produced a lot of really great sounds.
Shortened the bell from 12 seconds to ~4seconds by removing silence from start/finish.
audio and visual notifications are in

added tests and supporting classes.  changed the way tomato_paste was including other classes.

these notifications are only supported on osx :/ …. for now at least.
Make ascii art fit nicely in an 80 col terminal