add scpexe protocol - uses external scp executable git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115673 13f79535-47bb-0310-9956-ffa450edef68
add scpexe protocol - uses external scp executable git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115673 13f79535-47bb-0310-9956-ffa450edef68