Add spongy castle sources to libraries folder

libraries/spongycastle/jce/src/main/java/javax/crypto/ExemptionMechanismException.java

@@ -0,0 +1,34 @@
+package javax.crypto;
+
+import java.security.GeneralSecurityException;
+
+/**
+ * This is the generic ExemptionMechanism exception.
+ *
+ */
+public class ExemptionMechanismException
+    extends GeneralSecurityException
+{
+    private static final long serialVersionUID = 1572699429277957109L;
+
+    /**
+     * Constructs a ExemptionMechanismException with no detailed message.
+     * (A detailed message is a String that describes this particular exception.)
+     */
+    public ExemptionMechanismException()
+    {
+    }
+
+    /**
+     * Constructs a ExemptionMechanismException with the specified
+     * detailed message. (A detailed message is a String that describes
+     * this particular exception.)
+     *
+     * @param msg the detailed message.
+     */
+    public ExemptionMechanismException(
+        String  msg)
+    {
+        super(msg);
+    }
+}