added mvnjetty alias

plugins/mvn/mvn.plugin.zsh

@@ -55,6 +55,7 @@ alias mvnag='mvn archetype:generate'
 alias mvn-updates='mvn versions:display-dependency-updates'
 alias mvntc7='mvn tomcat7:run' 
 alias mvntc='mvn tomcat:run'
+alias mvnjetty='mvn jetty:run'
 
 
 function listMavenCompletions {