masayuki0812/c3 — pull request #373 by tandreas (2014-06-18 16:26:57+00:00)
Title: Fix x-grid-lines to not get pushed down by top padding.

Fix additional problem with Issue #368 related to x-grid-lines. Padding should not push down x-grid-lines.

Without Fix:
http://jsfiddle.net/99XZt/3/

With Fix:
http://jsfiddle.net/99XZt/4/