Merge pull request #3 from andrewhao/master

Update from upstream
Nice cc badge.
Get rid of deprecated !!! doctype declaration, and use the new "doctype" hotness.
Gitignore more generated images
Replace deprecated body parser with JSON parser, which is what is actually used.
Modernize package.json file, getting rid of some deprecated fields
Merge pull request #6 from hfwang/master

Modernize shmile codebase
Adding gulp runner to start up a mocha test.
Adding default test npm script, plus add travis build directive.
Merge pull request #6 from andrewhao/gulp

Gulp