Bug 1055873 - Move the -moz-user-select back to incontent-preferences. r=MattN

browser/themes/shared/incontentprefs/preferences.css

@@ -23,6 +23,16 @@ prefpane {
   line-height: 22px;
 }
 
+* {
+  -moz-user-select: text;
+}
+
+button,
+treecol {
+  /* override the * rule */
+  -moz-user-select: none;
+}
+
 /* Category List */
 
 .category-icon {

toolkit/themes/shared/in-content/common.inc.css

@@ -14,15 +14,6 @@ xul|page {
   color: #424e5a;
 }
 
-*|* {
-  -moz-user-select: text;
-}
-
-xul|treecol {
-  /* override the * rule to let the treecol be sortable */
-  -moz-user-select: none;
-}
-
 html|body {
   font-size: 15px;
   font-weight: normal;