Forgot Password (#1017)

* Implemented forgot password flow. Fixed a bug in manage user where admins were showing the Sharing With section.

* Cleaned up the reset password flow.

* Reverted some debug code

* Fixed an issue with invites due to ImmutableArray not being set.

API/Constants/PolicyConstants.cs

@@ -21,9 +21,7 @@ namespace API.Constants
         /// </summary>
         public const string DownloadRole = "Download";
 
-        public static readonly ImmutableArray<string> ValidRoles = new ImmutableArray<string>()
-        {
-            AdminRole, PlebRole, DownloadRole
-        };
+        public static readonly ImmutableArray<string> ValidRoles =
+            ImmutableArray.Create(AdminRole, PlebRole, DownloadRole);
     }
 }