MPJBUILDER-11. Add maven.jbuilder.bakpath property.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115233 13f79535-47bb-0310-9956-ffa450edef68

jbuilder/plugin.properties

@@ -22,6 +22,7 @@ maven.jbuilder.outpath = ${maven.build.dest}
 maven.jbuilder.application.runner = com.borland.jbuilder.runtime.ApplicationRunner
 maven.jbuilder.applet.runner = com.borland.jbuilder.runtime.AppletRunner
 maven.jbuilder.verbose=false
+maven.jbuilder.bakpath = ${maven.build.dir}/bak
 
 # List of additional files that should be added to the JBuilder project if
 # they exist. The default is the standard Maven project files.