update README.md and pom

README.md

@@ -52,7 +52,7 @@ Add the XChart library as a dependency to your pom.xml file:
 For snapshots, add the following to your pom.xml file:
 
     <repository>
-      <id>xchart-snapshot</id>
+      <id>sonatype-oss-snapshot</id>
       <snapshots/>
       <url>https://oss.sonatype.org/content/repositories/snapshots</url>
     </repository>

pom.xml

@@ -130,6 +130,7 @@
 		</repository>
 		<downloadUrl>https://oss.sonatype.org/content/groups/public/com/xeiam/xchart</downloadUrl>
 	</distributionManagement>
+
 	<profiles>
 		<profile>
 			<id>release-sign-artifacts</id>