Merge pull request #148 from grav/master

New example: jazz
Shift ascii art to the left to stop wrapping on thin terminals.
add url to project.clj description
Add link to extra ugens dependency
improve mda-piano ugen docstring
move mda and stk ugen metadata to new extras ns
Add glitch metadata from extra ugens
Start adding bhob extra ugens
add first blackrain extra ugen
Add blackrain metadata.
Tweak blackrain metadata.
Another tweak to blackrain metadata.
Merge pull request #149 from ctwitty/master

Add blackrain metadata.
tidy up formatting
add gauss-trig ugen from extras/bhob
update project urls
start adding extras.distortion ugens - decimator
Example in progress.
Merge remote-tracking branch 'upstream/master'
Blackrain examples.