Changelog for build alpha-2471:
- Update README regarding building (by paphonb)
- Style undo snackbar with correct fonts (by paphonb)
- When undoing a removal, always return to the page it came from (by Tony)
- Update undo snackbar visuals (by Tony Wickham)
- Add undo snackbar for deleting items (by Tony Wickham)
- Revert "Allow user to undo icon deletions" (by paphonb)
- Merge pull request #1769 from paphonb/smartspace-update (by paphonb)
- Update smartspace style (by paphonb)
- Dont't force create bitmap for icon masks (by Till Kottmann)
- Fix crash when Launching an app through Lawnchair via KWGT (by Till Kottmann)
- Hide recents before pausing swipe (by paphonb)
- Tune app closing animation (by paphonb)
- Add icon animation for swipe up gesture (by paphonb)
- Add Launcher3 IconShape implementation (by paphonb)
- Add swipe up to home animation (by paphonb)
- Move params for ClipAnimationHelper#applyTransform into TransformParams (by paphonb)
- Swipe up to go home (by paphonb)
- Add swipe up to go home from drawer (by paphonb)