New listKeys() API to support glob-style key search patterns

Added new listKeys() API's to list all keys matching search glob-style
pattern under the namespace.

Deprecated old findKeys() and findKeysAsync() API's. Deprecated API's
will be removed later releases.

Release version 1.5.0

Issue-Id: RIC-110
Change-Id: Ia411a2e6fa45305580810d88e7434e5460ac3114
Signed-off-by: Petri Ovaska <petri.ovaska@nokia.com>
diff --git a/include/private/asyncdummystorage.hpp b/include/private/asyncdummystorage.hpp
index f36cdd1..6c94425 100644
--- a/include/private/asyncdummystorage.hpp
+++ b/include/private/asyncdummystorage.hpp
@@ -61,6 +61,8 @@
 
         void findKeysAsync(const Namespace& ns, const std::string& keyPrefix, const FindKeysAck& findKeysAck) override;
 
+        void listKeys(const Namespace& ns, const std::string& pattern, const FindKeysAck& findKeysAck) override;
+
         void removeAllAsync(const Namespace& ns, const ModifyAck& modifyAck) override;
 
     private: