Changing version to 2.0.0

Author: Emanoel Xavier

pom.xml

@@ -18,7 +18,7 @@
     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>
     <groupId>org.osc.api</groupId>
-    <version>2.0.0-SNAPSHOT</version>
+    <version>2.0.0</version>
     <description>OSC SDN Controller API</description>
     <artifactId>sdn-controller-api</artifactId>
     <name>org.osc.api:sdn-controller-api</name>