Update index.html
Merge pull request #4 from purpleglade/master

Update index.html
Sharing UX and Dog Picture
Added icon images PNG for map

police station location (flag), police data (exclamation point), smile
(safe), sad (danger), question mark (neutral, unknown safe status)
Merge pull request #5 from alyeung/master

Sharing UX and Dog Picture
Merge pull request #2 from royels/master

newversion