Add UI bits for setting backgroundImage

src/js/client.js

@@ -1938,6 +1938,27 @@ angular.module('Application').service('Client', ['$http', '$interval', '$timeout
         }
     };
 
+    Client.prototype.getBackgroundImageUrl = function () {
+        return client.apiOrigin + '/api/v1/profile/backgroundImage?access_token=' + token + '&bustcache=' + Date.now();
+    };
+
+    Client.prototype.setBackgroundImage = function (backgroundImage, callback) {
+        // Blob type if object
+        var fd = new FormData();
+        fd.append('backgroundImage', backgroundImage);
+
+        var config = {
+            headers: { 'Content-Type': undefined },
+            transformRequest: angular.identity
+        };
+
+        post('/api/v1/profile/backgroundImage', fd, config, function (error, data, status) {
+            if (error) return callback(error);
+            if (status !== 202) return callback(new ClientError(status, data));
+            callback(null);
+        });
+    };
+
     Client.prototype.makeUserLocal = function (userId, callback) {
         post('/api/v1/users/' + userId + '/make_local', {}, null, function (error, data, status) {
             if (error) return callback(error);