docs(*): fix its/it's grammar

Closes angular#7580

Author: philwestwell

CHANGELOG.md

@@ -4353,7 +4353,7 @@ behavior and migrate your controllers one at a time: <https://gist.github.com/16
   ([commit](https://github.com/angular/angular.js/commit/78656fe0dfc99c341ce02d71e7006e9c05b1fe3f))
 
 - fn signature change for change listener functions registered via `scope.$watch` - this means that
-  the scope object can be listed in the arguments list only if its needed and skipped otherwise.
+  the scope object can be listed in the arguments list only if it's needed and skipped otherwise.
   ([commit](https://github.com/angular/angular.js/commit/0196411dbe179afe24f4faa6d6503ff3f69472da))
 
   - before: `scope.$watch('someModel', function(scope, newVal, oldVal) {})`
@@ -5287,7 +5287,7 @@ with the `$route` service
 - docs app UI polishing with dual scrolling and other improvements
 
 ### Bug Fixes
-- `select` widget now behaves correctly when it's `option` items are created via `ng:repeat`
+- `select` widget now behaves correctly when its `option` items are created via `ng:repeat`
   (issue #170)
 - fix for async xhr cache issue #152 by adding `$browser.defer` and `$defer` service
 

src/ng/animate.js

@@ -222,7 +222,7 @@ var $AnimateProvider = ['$provide', function($provide) {
        * @function
        * @description Adds and/or removes the given CSS classes to and from the element.
        * Once complete, the done() callback will be fired (if provided).
-       * @param {DOMElement} element the element which will it's CSS classes changed
+       * @param {DOMElement} element the element which will have its CSS classes changed
        *   removed from it
        * @param {string} add the CSS classes which will be added to the element
        * @param {string} remove the CSS class which will be removed from the element

src/ng/directive/ngIf.js

@@ -94,7 +94,7 @@ var ngIfDirective = ['$animate', function($animate) {
                 clone[clone.length++] = document.createComment(' end ngIf: ' + $attr.ngIf + ' ');
                 // Note: We only need the first/last node of the cloned nodes.
                 // However, we need to keep the reference to the jqlite wrapper as it might be changed later
-                // by a directive with templateUrl when it's template arrives.
+                // by a directive with templateUrl when its template arrives.
                 block = {
                   clone: clone
                 };

src/ng/directive/ngRepeat.js

@@ -370,7 +370,7 @@ var ngRepeatDirective = ['$parse', '$animate', function($parse, $animate) {
                 previousNode = clone;
                 // Note: We only need the first/last node of the cloned nodes.
                 // However, we need to keep the reference to the jqlite wrapper as it might be changed later
-                // by a directive with templateUrl when it's template arrives.
+                // by a directive with templateUrl when its template arrives.
                 block.clone = clone;
                 nextBlockMap[block.id] = block;
                 updateScope(block.scope, index);

src/ng/sce.js

@@ -543,7 +543,7 @@ function $SceDelegateProvider() {
  *    - `**`: matches zero or more occurrences of *any* character.  As such, it's not
  *      not appropriate to use in for a scheme, domain, etc. as it would match too much.  (e.g.
  *      http://**.example.com/ would match http://evil.com/?ignore=.example.com/ and that might
- *      not have been the intention.)  It's usage at the very end of the path is ok.  (e.g.
+ *      not have been the intention.)  Its usage at the very end of the path is ok.  (e.g.
  *      http://foo.example.com/templates/**).
  *  - **RegExp** (*see caveat below*)
  *    - *Caveat*:  While regular expressions are powerful and offer great flexibility,  their syntax

src/ngAnimate/animate.js

@@ -795,7 +795,7 @@ angular.module('ngAnimate', ['ng'])
          * | 8. The animation ends and all generated CSS classes are removed from the element                                                     | class="my-animation"                                                                 |
          * | 9. The doneCallback() callback is fired (if provided)                                                                                | class="my-animation"                                                                 |
          *
-         * @param {DOMElement} element the element which will its CSS classes changed
+         * @param {DOMElement} element the element which will have its CSS classes changed
          *   removed from it
          * @param {string} add the CSS classes which will be added to the element
          * @param {string} remove the CSS class which will be removed from the element

test/jqLiteSpec.js

@@ -231,7 +231,7 @@ describe('jqLite', function() {
       dealoc(element);
     });
 
-    it('should retrieve scope attached to the html element if its requested on the document',
+    it('should retrieve scope attached to the html element if it\'s requested on the document',
         function() {
       var doc = jqLite(document),
           html = doc.find('html'),
@@ -301,7 +301,7 @@ describe('jqLite', function() {
     });
 
 
-    it('should retrieve injector attached to the html element if its requested on document',
+    it('should retrieve injector attached to the html element if it\'s requested on document',
         function() {
       var doc = jqLite(document),
           html = doc.find('html'),

test/ng/compileSpec.js

@@ -2962,7 +2962,7 @@ describe('$compile', function() {
         $rootScope.name = 'same';
         $rootScope.$apply();
 
-        //change origin back to it's previous value
+        //change origin back to its previous value
         $rootScope.name = 'aaa';
         $rootScope.$apply();
 

test/ng/directive/ngIncludeSpec.js

@@ -506,7 +506,7 @@ describe('ngInclude and transcludes', function() {
     });
   });
 
-  it("should compile it's content correctly (although we remove it later)", function() {
+  it("should compile its content correctly (although we remove it later)", function() {
     var testElement;
     module(function() {
       directive('test', function() {

test/ng/locationSpec.js

@@ -1543,7 +1543,7 @@ describe('$location', function() {
     });
 
 
-    it('should not strip stuff from path just because it looks like Windows drive when its not',
+    it('should not strip stuff from path just because it looks like Windows drive when it\'s not',
         function() {
       location = new LocationHashbangUrl('http://server/pre/index.html', '#');