- refactor to support UIVew as super class
- WIP: implement left/right side fading
- embed scrollview
- add AutoScrollLabel.fadeLength
- refactor AutoScrollLabel to CBAutoScrollLabel
- move label class into new dir
- fix potential mem leak in non-arc env
- update header comments
- perf optimizations, conservative use of refreshLabels
- adjust scrolling to initially start in front of left fade
- update readme, screenshot