Add new Azure Dubai region (#40)

diff --git a/providers/azurecompute-arm/src/main/java/org/jclouds/azurecompute/arm/domain/Region.java b/providers/azurecompute-arm/src/main/java/org/jclouds/azurecompute/arm/domain/Region.java
index fc5541d..4ec08b2 100644
--- a/providers/azurecompute-arm/src/main/java/org/jclouds/azurecompute/arm/domain/Region.java
+++ b/providers/azurecompute-arm/src/main/java/org/jclouds/azurecompute/arm/domain/Region.java
@@ -68,7 +68,8 @@
    FRANCE_CENTRAL("France Central", "FR-IDF"), 
    FRANCE_SOUTH("France South", "FR-PAC"),
    SOUTH_AFRICA_NORTH("South Africa North", "ZA-GT"),
-   SOUTH_AFRICA_WEST("South Africa West", "ZA-WC");
+   SOUTH_AFRICA_WEST("South Africa West", "ZA-WC"),
+   UAE_NORTH("UAE North", "AE-DU");
 
    private final String name;