Downtown CSV data for Police incidents

From Connie’s bing police incident data.
Update Neutral Face icon
Merge pull request #7 from royels/newstuff

separated app.html out
Merge pull request #1 from royels/master

let me use it
Update index.html
Merge pull request #8 from alyeung/master

updated icon, and added bing data xls
Merge pull request #9 from purpleglade/master

merging
Merge pull request #10 from royels/master

stuff