add support for building su3 plugins

build.xml

@@ -34,10 +34,18 @@
             <arg value="plugin/eepsite/webapps/tracker.war.pack" />
             <arg value="src/build/tracker.war.jar" />
         </exec>
-        <exec executable="scripts/makeplugin.sh" failonerror="true" >
+        <input message="Enter su3 signing key password:" addproperty="release.password.su3" />
+        <fail message="You must enter a password." >
+            <condition>
+                <equals arg1="${release.password.su3}" arg2=""/>
+            </condition>
+        </fail>
+        <!-- this will fail if no su3 keys exist, as it needs the password twice -->
+        <exec executable="scripts/makeplugin.sh" inputstring="${release.password.su3}" failonerror="true" >
             <arg value="plugin" />
         </exec>
         <move file="zzzot.xpi2p" tofile="zzzot-update.xpi2p" overwrite="true" />
+        <move file="zzzot.su3" tofile="zzzot-update.su3" overwrite="true" />
 
         <!-- make the install xpi2p -->
         <copy file="scripts/i2ptunnel.config" todir="plugin/" overwrite="true" />
@@ -45,7 +53,7 @@
         <exec executable="echo" osfamily="unix" failonerror="true" output="plugin/plugin.config" append="true">
             <arg value="version=${release.number}-b${build.number}" />
         </exec>
-        <exec executable="scripts/makeplugin.sh" failonerror="true" >
+        <exec executable="scripts/makeplugin.sh" inputstring="${release.password.su3}" failonerror="true" >
             <arg value="plugin" />
         </exec>
     </target>