Merge pull request mui#2141 from quangbuule/patch-2

Propose calendar style fix

Author: oliviertassinari

src/date-picker/calendar.jsx

@@ -114,7 +114,7 @@ const Calendar = React.createClass({
         height: isLandscape ?
           weekCount === 5 ? 238 :
           weekCount === 6 ? 278 :
-          198 : '100%',
+          198 : 'auto',
         float: isLandscape ? 'left' : 'none',
       },
       weekTitle: {