General cleanup, and storage of gradient colors in a reusable array (rather than re-generating each time).
Semi-working version of MarqueeLabel based on CATextLayer.
Full working conversion to CATextLayer-based implementation, with significant code cleanup.
Demo cleanup and changes to CATextLayer version.
Merge CATextLayer into dev.
Improve continuous buffer documentation, and prevent negative values.
Update README for CATextLayer-based changes.
Update README.mdown

Noted that UIView-based version is available on different branch.