Update nexus-staging-maven-plugin to 1.7.0

Author: bitwiseman

pom.xml

@@ -233,7 +233,7 @@
         <plugin>
           <groupId>org.sonatype.plugins</groupId>
           <artifactId>nexus-staging-maven-plugin</artifactId>
-          <version>1.6.13</version>
+          <version>1.7.0</version>
           <extensions>true</extensions>
           <configuration>
             <serverId>sonatype-nexus-staging</serverId>