Update input-groups.less

align inline radio and checkbox groups with their label for horizontal forms, see http://stackoverflow.com/q/17990310/1596547 (Question 2)

less/input-groups.less

@@ -136,7 +136,9 @@
 // --------------------------------------------------
 // Horizontal forms are built on grid classes.
 
-.form-horizontal .control-label {
+.form-horizontal .control-label, 
+.form-horizontal .radio-inline, 
+.form-horizontal .checkbox-inline {
   padding-top: 9px;
 }