Update to Azure Java SDK 0.4.6

Latest Azure Java SDK is 0.4.6 when looking at http://search.maven.org/#browse%7C-589510877

Closes #25.

(cherry picked from commit 89be7b4)

Author: dadoonet

pom.xml

@@ -82,7 +82,7 @@ governing permissions and limitations under the License. -->
         <dependency>
             <groupId>com.microsoft.windowsazure</groupId>
             <artifactId>microsoft-windowsazure-api</artifactId>
-            <version>0.4.5</version>
+            <version>0.4.6</version>
         </dependency>
         <dependency>
             <groupId>log4j</groupId>