fix https://github.com/foosel/OctoPrint/issues/257 per http://forwebonly.com/fix-for-twitter-bootstrap-dropdown-on-ipad-and-iphone/;
Merge branch 'master' of github.com:Terawatt-Industries/OctoPrint
fix https://github.com/foosel/OctoPrint/issues/257 per http://forwebonly.com/fix-for-twitter-bootstrap-dropdown-on-ipad-and-iphone/;
Merge branch 'devel' of https://github.com/foosel/OctoPrint into devel