Add Hamcrest tests.

Author: Amir Tocker

cloudinary-test-common/pom.xml

@@ -17,6 +17,11 @@
             <artifactId>cloudinary-core</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>java-hamcrest</artifactId>
+            <version>2.0.0.0</version>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>