docs($location): fix $config -> $locationConfig in docs

docs/content/guide/dev_guide.services.$location.ngdoc

@@ -88,8 +88,8 @@ setter methods that allow you to get or change the current URL in the browser.
 
 ## $location service configuration
 
-To configure the `$location` service, you define the `$config` service which is an object with
-configuration properties:
+To configure the `$location` service, you define the `$locationConfig` service which is an object
+with configuration properties:
 
 - **html5Mode**: {boolean}<br />
   `true` - see Html5 mode<br />
@@ -102,7 +102,7 @@ configuration properties:
 
 ### Example configuration
 <pre>
-angular.service('$config', function() {
+angular.service('$locationConfig', function() {
   return {
     html5mode: true,
     hashPrefix: '!'
@@ -205,7 +205,7 @@ In this mode, `$location` uses Hashbang URLs in all browsers.
 ### Example
 
 <pre>
-angular.service('$config', function() {
+angular.service('$locationConfig', function() {
   return {
     html5Mode: false,
     hashPrefix: '!'
@@ -253,7 +253,7 @@ having to worry about whether the browser displaying your app supports the histo
 ### Example
 
 <pre>
-angular.service('$config', function() {
+angular.service('$locationConfig', function() {
   return {
     html5Mode: true,
     hashPrefix: '!'
@@ -456,7 +456,7 @@ ng:ext-link>external</a>
   function initEnv(name) {
     var root = angular.element(document.getElementById(name + '-mode'));
     var scope = angular.scope(null, {
-      $config: {html5Mode: true, hashPrefix: '!'},
+      $locationConfig: {html5Mode: true, hashPrefix: '!'},
       $browser: browsers[name],
       $document: root,
       $sniffer: {history: name == 'html5'}

src/service/location.js

@@ -400,7 +400,7 @@ function locationGetterSetter(property, preprocess) {
  *
  * @requires $browser
  * @requires $sniffer
- * @requires $config
+ * @requires $locationConfig
  * @requires $document
  *
  * @description
@@ -419,14 +419,14 @@ function locationGetterSetter(property, preprocess) {
  *
  * For more information see {@link guide/dev_guide.services.$location Developer Guide: Angular Services: Using $location}
  */
-angularServiceInject('$location', function($browser, $sniffer, $config, $document) {
+angularServiceInject('$location', function($browser, $sniffer, $locationConfig, $document) {
   var scope = this, currentUrl,
       basePath = $browser.baseHref() || '/',
       pathPrefix = pathPrefixFromBase(basePath),
-      hashPrefix = $config.hashPrefix || '',
+      hashPrefix = $locationConfig.hashPrefix || '',
       initUrl = $browser.url();
 
-  if ($config.html5Mode) {
+  if ($locationConfig.html5Mode) {
     if ($sniffer.history) {
       currentUrl = new LocationUrl(convertToHtml5Url(initUrl, basePath, hashPrefix), pathPrefix);
     } else {