#96694: Converted index.html into index.phtml and  index.php (which just retrieves GAE user info and makes it avalaible to index.phtml).
#96694: Moved html files around due to changes in app.yaml needed for a correct configuration of GAE's handler rules.
#94984: Added about dialog.
#94984: Removed style files thad had very little or no code at all moved the useful styles to app.css.
Merge pull request #47 from luisromangz/96694-UseAppEngineAuthenticationAPI

#96694 use app engine authentication api