fix($animate): make CSS blocking optional for class-based animations

css/angular.css

@@ -9,8 +9,3 @@
 ng\:form {
   display: block;
 }
-
-.ng-animate-block-transitions {
-  transition:0s all!important;
-  -webkit-transition:0s all!important;
-}

src/ng/directive/ngShowHide.js

@@ -40,10 +40,10 @@
  * restating the styles for the .ng-hide class in CSS:
  * ```css
  * .ng-hide {
- *   //!annotate CSS Specificity|Not to worry, this will override the AngularJS default...
+ *   /* Not to worry, this will override the AngularJS default...
  *   display:block!important;
  *
- *   //this is just another form of hiding an element
+ *   /* this is just another form of hiding an element */
  *   position:absolute;
  *   top:-9999px;
  *   left:-9999px;
@@ -69,10 +69,20 @@
  * //a working example can be found at the bottom of this page
  * //
  * .my-element.ng-hide-add, .my-element.ng-hide-remove {
- *   transition:0.5s linear all;
+ *   /* this is required as of 1.3x to properly
+ *      apply all styling in a show/hide animation */
+ *   transition:0s linear all;
+ *
+ *   /* this must be set as block so the animation is visible */
  *   display:block!important;
  * }
  *
+ * .my-element.ng-hide-add-active,
+ * .my-element.ng-hide-remove-active {
+ *   /* the transition is defined in the active class */
+ *   transition:1s linear all;
+ * }
+ *
  * .my-element.ng-hide-add { ... }
  * .my-element.ng-hide-add.ng-hide-add-active { ... }
  * .my-element.ng-hide-remove { ... }
@@ -109,8 +119,6 @@
     </file>
     <file name="animations.css">
       .animate-show {
-        -webkit-transition:all linear 0.5s;
-        transition:all linear 0.5s;
         line-height:20px;
         opacity:1;
         padding:10px;
@@ -123,6 +131,12 @@
         display:block!important;
       }
 
+      .animate-show.ng-hide-add.ng-hide-add-active,
+      .animate-show.ng-hide-remove.ng-hide-remove-active {
+        -webkit-transition:all linear 0.5s;
+        transition:all linear 0.5s;
+      }
+
       .animate-show.ng-hide {
         line-height:0;
         opacity:0;