Bug 964529:  Support scientific (exponential) notation for CSS <number> values, including percentages and dimensions (but not <integer> values).  r=SimonSapin

Resolved for <number> on 2012-08-15:
http://lists.w3.org/Archives/Public/www-style/2012Aug/0900.html

Resolved for percentages and dimensions in CSS teleconference 2013-04-17:
http://lists.w3.org/Archives/Public/www-style/2013Apr/0428.html
Bug 966415:  Add more line breaks to nsCSSPropAliasList.h for better diffs and blame.  r=bzbarsky