Update fullcalendar.print.css

Bundling css in meteor does not provide any control for print media types etc. Therefore, the media query should be declared within the css itself. Please take a look at http://stackoverflow.com/a/21998309/1064151 and http://stackoverflow.com/a/19382426/1064151
Merge pull request #1 from serkandurusoy/patch-1

Update fullcalendar.print.css