Upgrade to metrics 3 and remove snapshot repo

pom.xml

@@ -15,7 +15,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<metrics.version>3.0.0-RC1</metrics.version>
+		<metrics.version>3.0.0</metrics.version>
 		<spring.version>3.2.3.RELEASE</spring.version>
 		<slf4j.version>1.7.5</slf4j.version>
 	</properties>
@@ -60,14 +60,6 @@
 		</repository>
 	</distributionManagement>
 
-	<repositories>
-		<repository>
-			<id>sonatype-nexus-snapshots</id>
-			<name>Sonatype Nexus Snapshots</name>
-			<url>http://oss.sonatype.org/content/repositories/snapshots</url>
-		</repository>
-	</repositories>
-
 	<dependencies>
 		<dependency>
 			<groupId>com.codahale.metrics</groupId>