docs(ngAnimate): refactor of ngAnimate docs

`Which directives support animations?` section:
Added info about ngAnimateSwap directive.
Sorted table alphabetically, now it's the same order as appear in documentation's navigation.

References angular#16561

Author: FRSgit

docs/content/guide/animations.ngdoc

@@ -222,20 +222,21 @@ triggered:
 
 | Directive                                                                     | Supported Animations                                                      |
 |-------------------------------------------------------------------------------|---------------------------------------------------------------------------|
-| {@link ng.directive:ngRepeat#animations ngRepeat}                             | enter, leave, and move                                                    |
-| {@link ng.directive:ngIf#animations ngIf}                                     | enter and leave                                                           |
-| {@link ng.directive:ngSwitch#animations ngSwitch}                             | enter and leave                                                           |
-| {@link ng.directive:ngInclude#animations ngInclude}                           | enter and leave                                                           |
-| {@link ngRoute.directive:ngView#animations ngView}                            | enter and leave                                                           |
-| {@link module:ngMessages#animations ngMessage / ngMessageExp}                 | enter and leave                                                           |
+| {@link ng.directive:form#animations form / ngForm}                            | add and remove ({@link ng.directive:form#css-classes various classes})    |
 | {@link ng.directive:ngClass#animations ngClass / {{class}​}}  | add and remove                                                            |
 | {@link ng.directive:ngClassEven#animations ngClassEven}                       | add and remove                                                            |
 | {@link ng.directive:ngClassOdd#animations ngClassOdd}                         | add and remove                                                            |
 | {@link ng.directive:ngHide#animations ngHide}                                 | add and remove (the `ng-hide` class)                                      |
-| {@link ng.directive:ngShow#animations ngShow}                                 | add and remove (the `ng-hide` class)                                      |
+| {@link ng.directive:ngIf#animations ngIf}                                     | enter and leave                                                           |
+| {@link ng.directive:ngInclude#animations ngInclude}                           | enter and leave                                                           |
 | {@link ng.directive:ngModel#animations ngModel}                               | add and remove ({@link ng.directive:ngModel#css-classes various classes}) |
-| {@link ng.directive:form#animations form / ngForm}                            | add and remove ({@link ng.directive:form#css-classes various classes})    |
+| {@link ng.directive:ngRepeat#animations ngRepeat}                             | enter, leave, and move                                                    |
+| {@link ng.directive:ngShow#animations ngShow}                                 | add and remove (the `ng-hide` class)                                      |
+| {@link ng.directive:ngSwitch#animations ngSwitch}                             | enter and leave                                                           |
+| {@link ngAnimate.directive:ngAnimateSwap#animations ngAnimateSwap}            | enter and leave                                                           |
+| {@link module:ngMessages#animations ngMessage / ngMessageExp}                 | enter and leave                                                           |
 | {@link module:ngMessages#animations ngMessages}                               | add and remove (the `ng-active`/`ng-inactive` classes)                    |
+| {@link ngRoute.directive:ngView#animations ngView}                            | enter and leave                                                           |
 
 For a full breakdown of the steps involved during each animation event, refer to the
 {@link ng.$animate API docs}.