web/Airy.js: Revised copyright boilerplate.
web/Airy.js: Revised the "Beginning of..." and "End of..." comments.
web/Airy.js: Revised copyright boilerplate, again.
web/Airy.js:Pointer: Consolidated the comments describing variables and added a description for Pointer.
web/Airy.js:Pointer: Added a comment describing "function Pointer(pIdentifier, pDownTime, pDownX, pDownY, pMovementLimitPx)".
web/Airy.js:Pointer: Added comments describing "Pointer.prototype.setUpTime", "Pointer.prototype.setUpX", and "Pointer.prototype.setUpY".
web/Airy.js:Pointer: Added comments describing some methods.

web/Airy.js:Pointer: Added comments describing some methods.

- Pointer.prototype.getIdentifier
- Pointer.prototype.getDownX
- Pointer.prototype.getDownY
- Pointer.prototype.getUpX
- Pointer.prototype.getUpY
web/Airy.js:Pointer: Revised the comments describing "Pointer.prototype.setUpTime", "Pointer.prototype.setUpX", and "Pointer.prototype.setUpY".
web/Airy.js:Pointer: Renamed "Pointer.prototype.existedWithinTimeLimit" to "Pointer.prototype.downInsideTimeLimit" and added a comment describing it.
web/Airy.js:Pointer: Revised and added comments describing some methods.

Revised and added comments describing some methods.

Revised

- Pointer.prototype.tapped
- Pointer.prototype.swipedUp
- Pointer.prototype.swipedDown
- Pointer.prototype.swipedLeft
- Pointer.prototype.swipedRight
- Pointer.prototype.pinchedIn
- Pointer.prototype.pinchedOut

Added comments describing

- Pointer.prototype.tapped
- Pointer.prototype.swipedUp
- Pointer.prototype.swipedDown
- Pointer.prototype.swipedLeft
- Pointer.prototype.swipedRight
- Pointer.prototype.distanceFormula
- Pointer.prototype.pinchedIn
- Pointer.prototype.pinchedOut
web/Airy.js:Pointer: Fixed formatting.