[FAB-6584] Add amcl crypto library

This commits adds the apache milagro crypto library as a dependency,
which will be used to implement the identity mixer cryptography.

Change-Id: I39276578938999287a19996d807f23d61c80e12f
Signed-off-by: Manu Drijvers <mdr@zurich.ibm.com>

Author: Manu Drijvers

pom.xml

@@ -192,6 +192,11 @@
             <version>1.20</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.miracl.milagro.amcl</groupId>
+            <artifactId>milagro-crypto-java</artifactId>
+            <version>0.1.0</version>
+        </dependency>
     </dependencies>