update pom parent

pom.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
-		<artifactId>pom-icy</artifactId>
         <groupId>org.bioimageanalysis.icy</groupId>
-        <version>2.0.0</version>
-	</parent>
+        <artifactId>pom-icy</artifactId>
+        <version>2.2.0</version>
+    </parent>
 
     <artifactId>blocks</artifactId>
-    <version>5.3.0</version>
+    <version>5.3.1</version>
 
     <packaging>jar</packaging>
 
@@ -20,23 +20,6 @@
         Blocks plugin for Icy. Also known as "Protocols SDK" This plugin provide interfaces to make plugin compatible with Protocols(Graphical Programming).
     </description>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jdk.version>1.7</jdk.version>
-
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
-    </properties>
-	
-	<profiles>
-        <profile>
-            <id>icy-plugin</id>
-            <activation>
-                <activeByDefault>true</activeByDefault>
-            </activation>
-        </profile>
-    </profiles>
-
     <dependencies>
         <dependency>
             <groupId>org.bioimageanalysis.icy</groupId>

src/main/java/plugins/adufour/blocks/Blocks.java

@@ -6,6 +6,7 @@ import icy.plugin.interface_.PluginLibrary;
 /**
  * Empty plugin now, replaced by Protocols
  */
+@Deprecated
 public class Blocks extends Plugin implements PluginLibrary
 {
     //