Java 7 support: Updated Drools to version 5.3.0.Final and maven-compiler-plugin to version 2.3.2

pom.xml

@@ -232,12 +232,12 @@
       <dependency>
         <groupId>org.drools</groupId>
         <artifactId>drools-core</artifactId>
-        <version>5.1.1</version>
+        <version>5.3.0.Final</version>
       </dependency>
       <dependency>
         <groupId>org.drools</groupId>
         <artifactId>drools-compiler</artifactId>
-        <version>5.1.1</version>
+        <version>5.3.0.Final</version>
       </dependency>
       <dependency>
         <groupId>org.json</groupId>
@@ -474,6 +474,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
         <configuration>
                 <source>1.5</source>
                 <target>1.5</target>