Add spongy castle sources to libraries folder

libraries/spongycastle/build15+

@@ -0,0 +1,30 @@
+#!/bin/sh -
+#
+# build script for 1.5
+#
+# If it's given a buildname it creates a subdirectory and places a build in it,
+# otherwise it just creates the docs and class files.
+#
+
+if [ "${JDKPATH}" = "" ] 
+then
+	JDKPATH=/usr/lib/jvm/java-7-openjdk-amd64
+fi
+
+JAVA_HOME=$JDKPATH
+export JAVA_HOME
+
+PATH=$JDKPATH/bin:$PATH
+export PATH
+
+if [ "$1" = "test" ]
+then
+    ant -f ant/jdk15+.xml test
+else
+    if ant -f ant/jdk15+.xml build-provider
+    then
+        ant -f ant/jdk15+.xml build
+        ant -f ant/jdk15+.xml zip-src
+    fi
+fi
+