Made animframe_polyfill.js JSHint compliant

Reformatted a bunch to make JSHint happy.
Merge pull request #115 from iirelu/jshint-compliance

Made animframe_polyfill.js JSHint compliant
double points and 1 million best score
squared points and best score works
double tile values
update README and bottom of page
all tiles can hit 2048
fixed problem with the 8 tiles
better readme
Merge pull request #1 from LoadingPleaseWait/master

Update page