Fix #1399: Make the update dialog text selectable

src/styles/brackets_patterns_override.less

@@ -401,10 +401,19 @@
     .update-text {
         // Icon is 120px, so we need at least that much left padding/margin to avoid overlap
         margin: 0 10px 0 123px;
-
+        
         .update-info {
             max-height: 200px;
             overflow: auto;
+
+            // Enable text selection
+            cursor: auto;
+            -webkit-user-select: text;
+            -khtml-user-select: text;
+            -moz-user-select: text;
+            -ms-user-select: text;
+            -o-user-select: text;
+            user-select: text;
         }
     }
 }