fix(tabs): fixes Safari issue regarding dynamic tabs transitions

Author: Robert Messerle

src/components/tabs/tabs.scss

@@ -23,7 +23,9 @@ md-tabs {
   border-radius: 2px;
   overflow: hidden;
   position: relative;
-  transition: height $swift-ease-in-out-duration $swift-ease-in-out-timing-function;
+  &.ng-animate {
+    transition: height $swift-ease-in-out-duration $swift-ease-in-out-timing-function;
+  }
   &:not(.md-no-tab-content):not([md-dynamic-height]) {
     min-height: 200 + $tabs-header-height;
   }