GUACAMOLE-641: Add generic vault support with an initial Azure Key Vault implementation.

doc/licenses/azure-annotations-1.10.0/License.txt

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ */
+
+NOTE: The above has been extracted from the source of the "azure-annotations"
+library, as may be downloaded from Maven Central:
+
+https://search.maven.org/remotecontent?filepath=com/microsoft/azure/azure-annotations/1.10.0/azure-annotations-1.10.0-sources.jar
+
+Unfortunately, the "License.txt" file noted is not included with the source
+.jar, and the GitHub repository referenced by the pom.xml of
+"azure-annotations" is not publicly visible:
+
+https://github.com/Microsoft/java-api-annotations
+
+I (Mike Jumper) have reached out to Microsoft to correct this and to request a
+copy of the "License.txt" file if access to this repository cannot be fixed in
+the near future. Until then, the above should serve as reasonable confirmation
+that this library is indeed (1) licensed under the MIT license and (2)
+copyright Microsoft Corporation.
+
+For reference, the terms of the open source license widely known as the "MIT
+license" can be found here:
+
+https://opensource.org/licenses/MIT
+

doc/licenses/azure-annotations-1.10.0/README

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+Microsoft Azure SDK Annotations
+(https://github.com/Microsoft/java-api-annotations)
+---------------------------------------------------
+
+    Version: 1.10.0
+    From: 'Microsoft Corporation' (https://microsoft.com/)
+    License(s):
+        MIT (bundled/azure-annotations-1.10.0/License.txt)
+

doc/licenses/azure-annotations-1.10.0/dep-coordinates.txt

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+com.microsoft.azure:azure-annotations:jar:1.10.0