GERONIMODEVTOOLS-811 Use maven release plugin 2.3.2 and set <autoVersionSubmodules>true</autoVersionSubmodules>

git-svn-id: https://svn.apache.org/repos/asf/geronimo/devtools/eclipse-plugin/branches/3.0@1486502 13f79535-47bb-0310-9956-ffa450edef68