Swapped to American English spellings

- Traditionally all of Ghost's public-facing text was written in British English
 - We're changing that to US English because that's more common
 - US English should also be used in code e.g. properties are called color not colour
 - most of these changes are in comments, but I've changed them so that we have US English in front of us always
 - fixed a few other typos I noticed whilst there

core/bridge.js

@@ -20,7 +20,7 @@ class Bridge {
     constructor() {
         /**
          * When locale changes, we reload theme translations
-         * @deprecated: the term "lang" was deprecated in favour of "locale" publicly in 4.0
+         * @deprecated: the term "lang" was deprecated in favor of "locale" publicly in 4.0
          */
         events.on('settings.lang.edited', (model) => {
             this.getActiveTheme().initI18n({locale: model.get('value')});

core/frontend/helpers/ghost_head.js

@@ -116,7 +116,7 @@ module.exports = function ghost_head(options) { // eslint-disable-line camelcase
      *   - getMetaData(dataRoot, dataRoot) -> yes that looks confusing!
      *   - there is a very mixed usage of `data.context` vs. `root.context` vs `root._locals.context` vs. `this.context`
      *   - NOTE: getMetaData won't live here anymore soon, see https://github.com/TryGhost/Ghost/issues/8995
-     *   - therefor we get rid of using `getMetaData(this, dataRoot)`
+     *   - therefore we get rid of using `getMetaData(this, dataRoot)`
      *   - dataRoot has access to *ALL* locals, see function description
      *   - it should not break anything
      */

core/server/adapters/scheduling/SchedulingDefault.js

@@ -203,7 +203,7 @@ SchedulingDefault.prototype._deleteJob = function (object) {
  *    - accuracy
  *    - setTimeout is limited to 24,3 days
  *
- * The execution of "setTimeout" is never guaranteed, therefor we've optimised the execution by using "setImmediate".
+ * The execution of "setTimeout" is never guaranteed, therefore we've optimized the execution by using "setImmediate".
  * The executor will put each job to sleep using `setTimeout` with a threshold of 70ms. And "setImmediate" is then
  * used to detect the correct moment to trigger the URL.
 

core/server/models/user.js

@@ -78,7 +78,7 @@ User = ghostBookshelf.Model.extend({
      * @TODO:
      *
      * The user model does not use bookshelf-relations yet.
-     * Therefor we have to remove the relations manually.
+     * Therefore we have to remove the relations manually.
      */
     onDestroying(model, options) {
         ghostBookshelf.Model.prototype.onDestroying.apply(this, arguments);

core/server/web/api/middleware/normalize-image.js

@@ -25,7 +25,7 @@ module.exports = function normalize(req, res, next) {
         .then(() => {
             req.files = [];
 
-            // CASE: push the processed/optimised image
+            // CASE: push the processed/optimized image
             req.files.push(Object.assign(req.file, {path: out}));
 
             // CASE: push original image, we keep a copy of it

core/server/web/shared/middlewares/pretty-urls.js

@@ -4,7 +4,7 @@
 // URLs get formatted correctly.
 // Slashes ensures that we get trailing slashes
 // Uncapitalise changes case to lowercase
-// @TODO optimise this to reduce the number of redirects required to get to a pretty URL
+// @TODO optimize this to reduce the number of redirects required to get to a pretty URL
 // @TODO move this to being used by routers?
 const slashes = require('connect-slashes');
 const config = require('../../../../shared/config');

test/unit/data/validation/index_spec.js

@@ -5,7 +5,7 @@ const testUtils = require('../../../utils');
 const models = require('../../../../core/server/models');
 const validation = require('../../../../core/server/data/validation');
 
-// Validate our customisations
+// Validate our customizations
 describe('Validation', function () {
     before(function () {
         models.init();

test/utils/acceptance-utils.js

@@ -36,7 +36,7 @@ let existingData = {};
 /**
  * Because we use ObjectID we don't know the ID of fixtures ahead of time
  * This function fetches all of our fixtures and exposes them so that tests can use them
- * @TODO: Optimise this by making it optional / selective
+ * @TODO: Optimize this by making it optional / selective
  */
 const exposeFixtures = async () => {
     const fixturePromises = {

test/utils/fixtures/themes/casper-1.4/page.hbs

@@ -1,7 +1,7 @@
 {{!< default}}
 
 {{!-- This is a page template. A page outputs content just like any other post, and has all the same
-    attributes by default, but you can also customise it to behave differently if you prefer. --}}
+    attributes by default, but you can also customize it to behave differently if you prefer. --}}
 
 {{!-- Everything inside the #post tags pulls data from the page --}}
 {{#post}}