Merge pull request #2 from CyrilPitrou/master

Cyril slightly updated example notebooks to use Needs[] instead of Get.
xPand.nb: TrackCellChangeTimes->False and blew away cell change times.
TrackCellChangeTimes->False in all Example notebooks, and blew away CellChangeTimes.
1. Using interpretbox for output so it can be copied+pasted meaningfully
2. Slightly simplified code to generate colored superscripts
Merge pull request #2 from duetosymmetry/master

Get rid of all your CellChangeTimes