Obvious/composers — pull request #2 by guitardave24 (2012-07-04 08:36:34+00:00)
Title: Added graphing and tracing to composers. Outputs some sweet PNG graphs.

Hello jeremy, dan,

Please review the following commits I made in branch 'david-trace'.

b509b09db36dd9fbfc746bbe374aa32ae75ef51e (42 seconds ago)
Added some comments

5cc022bc080b158aded30b897af7fcdd3b9d544c (6 minutes ago)
Added graphing and tracing to composers.

R=jeremy
R=dan