use locale strings for find bar placeholder text

pd/nw/index.js

@@ -221,7 +221,7 @@ function console_find_keydown(evt) {
 function add_events() {
     // Find bar
     var find_bar = document.getElementById("console_find_text");
-    find_bar.placeholder = "Search in Console";
+    find_bar.placeholder = l("pd_window.find.placeholder");
     find_bar.addEventListener("keydown",
         function(e) {
             return console_find_keydown(e);

pd/nw/locales/en/translation.json

@@ -244,6 +244,11 @@
     "devtools": "Show DevTools",
     "devtools_tt": "Show the DevTools window (for debugging)"
   },
+  "pd_window": {
+    "find": {
+      "placeholder": "Search in Console"
+    }
+  },
   "canvas": {
     "paste_clipboard_prompt": "Warning: you are about to paste Pd code that came from somewhere outside of Pd. Do you want to continue?",
     "save_dialog": {
@@ -254,6 +259,9 @@
       "cancel": "Cancel",
       "cancel_tt": "Don't save any changes, and don't close the patch"
     },
+    "find": {
+      "placeholder": "Search in Canvas"
+    },
     "prop": {
       "heading": {
         "gop": "appearance",

pd/nw/pd_canvas.js

@@ -704,7 +704,8 @@ var canvas_events = (function() {
 
     // Add placeholder text... this all needs to be collected into an 
     // add_events function similiar to the one in index.js
-    document.querySelector("#canvas_find_text").placeholder = "Search in Patch";
+    document.querySelector("#canvas_find_text").placeholder =
+        l("canvas.find.placeholder");
     document.querySelector("#canvas_find_text").addEventListener("blur",
         canvas_find_blur, false
     );