Merge pull request #157 from dcleao/CLEANUP

[CLEANUP] - Adding tipsy.css as an AMD dependency of jquery.tipsy.js.
[CDF-400] - CCC - Cartesian axis layout takes labels into account even when axisLabel_visible = false.
Merge pull request #160 from jvelasques/CDF-400

[CDF-400] - CCC - Cartesian axis layout takes labels into account even w...