Minor updates;

Updated notification with block to remove observer;

Author: Ian Guedes Maia

notificationBlock.codesnippet

@@ -9,9 +9,9 @@
 		<string>CodeBlock</string>
 	</array>
 	<key>IDECodeSnippetContents</key>
-	<string>__block id notificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName: object:nil queue:nil usingBlock:^(NSNotification *note) {
-    
-    notificationObserver = nil;
+	<string>__block id notifObs = [[NSNotificationCenter defaultCenter] addObserverForName:&lt;#name#&gt; object:nil queue:nil usingBlock:^(NSNotification *note) {
+    [[NSNotificationCenter defaultCenter] removeObserver:notifObs];
+    notifObs = nil;
 }];
 </string>
 	<key>IDECodeSnippetIdentifier</key>

notificationRemove.codesnippet

@@ -21,6 +21,6 @@
 	<key>IDECodeSnippetUserSnippet</key>
 	<true/>
 	<key>IDECodeSnippetVersion</key>
-	<integer>0</integer>
+	<integer>2</integer>
 </dict>
 </plist>

sharedInstance.codesnippet

@@ -13,7 +13,7 @@
     static <#class#> *_sharedInstance = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-        _sharedInstance = [[<#class#> alloc] init];
+        _sharedInstance = [[self alloc] init];
     });
 
     return _sharedInstance;