Added animation shorthand alias

Minor amend to last pull request

CssCrush/CssCrush.aliases

@@ -1,4 +1,3 @@
-
 ;----------------------------------------------------------------------------
 ;-- Property aliases
 
@@ -49,6 +48,9 @@
 	transition-duration[] = -o-transition-duration
 
 	; Animations
+	animation[] = -webkit-animation
+	animation[] = -moz-animation
+	animation[] = -ms-animation
 	animation-delay[] = -webkit-animation-delay
 	animation-delay[] = -moz-animation-delay
 	animation-delay[] = -ms-animation-delay
@@ -128,13 +130,13 @@
 	text-decoration-line[] = -moz-text-decoration-line
 	text-decoration-style[] = -moz-text-decoration-style
 
-	; User Select
+	; User select (non standard)
 	user-select[] = -webkit-user-select
-	user-select[] = -khtml-user-select
 	user-select[] = -moz-user-select
 	user-select[] = -o-user-select
 	user-select[] = user-select
 
+
 ;----------------------------------------------------------------------------
 ;-- Value aliases