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
Fork ±64 -- 2048 with negative numbers

Tiles may have negative values, and tiles with opposite signs will
cancel into a zero tile.  The goal of 64 (either plus or minus) is much
reduced from 2048 due to the difficulty of managing both ranges.
Merge branch 'master' into gh-pages
Customize gh-pages for ±64

- Update og:* properties
- Use my own google analytics
- Hide mailing-list and sharing (for now)