fixes for content-type
updated handlebars
merged from develop branch
fixed petstore link
updated swagger-client
updated readme
updated readme
fixed enum, required flags
fix for issue #285
Merge pull request #286 from bcls/master

fix for issue #285
fixing file name -- realized the typo in the link tag was replicating one in the css file name
Merge pull request #287 from rcrooks/master

fixing file name -- realized the typo in the link tag was replicating on...
fixed responseMessages issue per #267
Merge branch 'master' of github.com:wordnik/swagger-ui
fix for #279, empty boolean drop-downs
updated swagger-js to address sample schema issues
added enum support per #296
fix for #297, enabled throbber
manual merge of #303
manual merge of #304