enable selecting text : libraries should not default to disabling built-in browser behaviour

Fixes craftpip#36

Author: tomchiverton

css/angular-confirm.less

@@ -66,7 +66,6 @@ body[class*=ng-confirm-no-scroll-] {
     overflow-y: auto;
     perspective: 500px;
     perspective-origin: center;
-    user-select: none;
   }
   .ng-confirm-box {
     background: white;
@@ -1036,4 +1035,4 @@ body[class*=ng-confirm-no-scroll-] {
 
 .ng-confirm-el-hide {
   display: none !important;
-}
+}