right now, the documentation tells people to change script/canvas_init, which
kinda sucks for people hoping to upgrade by doing git pull.
this seems sort of hacky - i'm open to suggestions.
Change-Id: I66bf3deb2f51c22c23c1963369c6ab3e5f391d33
Reviewed-on: https://gerrit.instructure.com/2145
Reviewed-by: Brian Palmer <brianp@instructure.com>
Tested-by: Hudson <hudson@instructure.com>