Merge pull request #109 from huangpf/dev

Fix ExtensionRole

Author: huangpf

src/ServiceManagement/Compute/Commands.ServiceManagement/Extensions/Common/ExtensionRole.cs

@@ -50,6 +50,7 @@ public ExtensionRole(string roleName)
                 PrefixName = RoleName = roleName.Trim();
                 PrefixName = PrefixName.Replace(".", string.Empty);
                 PrefixName = PrefixName.Replace(" ", string.Empty);
+                PrefixName = PrefixName.Replace("_", string.Empty);
                 RoleType = ExtensionRoleType.NamedRoles;
                 Default = false;
             }