typeahead: Move module to web/src.

docs/THIRDPARTY

@@ -272,7 +272,7 @@ Files: web/third/bootstrap/css/bootstrap-btn.css
 Copyright: 2011-2014 Twitter, Inc.
 License: Expat
 
-Files: web/third/bootstrap-typeahead/*
+Files: web/src/bootstrap_typeahead.js
 Copyright: 2012 Twitter, Inc.
 License: Apache-2.0
 Comment: Bootstrap typeahead.  The software has been modified.

tools/test-js-with-node

@@ -61,6 +61,7 @@ EXEMPT_FILES = make_set(
         "web/src/billing/helpers.ts",
         "web/src/blueslip.ts",
         "web/src/blueslip_stacktrace.ts",
+        "web/src/bootstrap_typeahead.js",
         "web/src/browser_history.ts",
         "web/src/buddy_list.ts",
         "web/src/click_handlers.js",

web/src/bootstrap_typeahead.js

@@ -135,7 +135,7 @@
 import $ from "jquery";
 import {insertTextIntoField} from "text-field-edit";
 
-import {get_string_diff} from "../../src/util";
+import {get_string_diff} from "./util";
 
 function get_pseudo_keycode(event) {
     const isComposing = (event.originalEvent && event.originalEvent.isComposing) || false;

web/src/bundles/app.ts

@@ -1,7 +1,7 @@
 import "./common";
 
 // Import third party jQuery plugins
-import "../../third/bootstrap-typeahead/typeahead";
+import "../bootstrap_typeahead";
 import "jquery-caret-plugin/dist/jquery.caret";
 import "../../third/jquery-idle/jquery.idle";
 import "spectrum-colorpicker";