Update js/bootstrap-fileupload.js

Support for jquery.browser was removed in 1.9. This caused the "Remove" button to not work. 

Changed line 103 from 
   if($.browser.msie){
to 
   if (navigator.userAgent.match(/msie/i)){
Merge branch 'patch-1' of github.com:ameyab/bootstrap into 2.2.2-j4-wip
Fix jQuery 1.9 removed $.browser for inputmask. Fixes #63
Merge branch '2.2.2-j4-wip' of github.com:jasny/bootstrap into 2.2.2-j4-wip