Merge pull request #47 from hanton/master

Replace deprecated viewDidUnload with didReceiveMemoryWarning

Author: mattt

lifecycle.m

@@ -11,10 +11,6 @@ - (void)viewDidLoad {
     [super viewDidLoad];
 }
 
-- (void)viewDidUnload {
-    [super viewDidUnload];
-}
-
 - (void)viewWillAppear:(BOOL)animated {
     [super viewWillAppear:animated];
 }
@@ -30,3 +26,7 @@ - (void)viewWillDisappear:(BOOL)animated {
 - (void)viewDidDisappear:(BOOL)animated {
     [super viewDidDisappear:animated];
 }
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+}