GUACAMOLE-708: Add and update JavaDoc comments.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/java/org/apache/guacamole/auth/sqlserver/conf/SQLServerGuacamoleProperties.java

@@ -194,6 +194,11 @@ public class SQLServerGuacamoleProperties {
 
     };
     
+    /**
+     * Wether or not to automatically create accounts in the SQL Server database
+     * for users who successfully authenticate through another extension.  By
+     * default users will not be automatically created.
+     */
     public static final BooleanGuacamoleProperty SQLSERVER_AUTO_CREATE_ACCOUNTS =
             new BooleanGuacamoleProperty() {