Make sure to copy templates that aren't HTML.

Gruntfile.js

@@ -44,6 +44,7 @@ module.exports = function(grunt) {
       "js/**",
       "css/*.css",//leave the LESS behind
       "**/*.html",//both main.html and the templates
+      "templates/*",
       "require.js",
       "background.js",
       "installer.js",

manifest.json

@@ -1,7 +1,7 @@
 {
   "name": "Caret",
   "description": "Professional text editing for Chrome and Chrome OS",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "manifest_version": 2,
   "default_locale": "en",
   "icons": {