Allow float value for file max size

docs/javascript.html

@@ -539,7 +539,7 @@ $('.inputmask').inputmask({
           </tr>
           <tr>
             <td>maxSize</td>
-            <td>int</td>
+            <td>float</td>
             <td>Use this option if you want to limit file upload size. It's in <code>MB</code> and should be set for <code>.fileinput</code> element. For ex. <code>data-max-size="3"</code> allows upload only for files with size <= 3MB. If several files are selected, and only one of them is greater then this option value, all files will be discarded. Event <code>max_size.bs.fileinput</code> is triggered on discard.</td>
           </tr>
         </tbody>