Calculate program file directories:

* Determine location of database files in Config
* Inject database directory or file path in PeerFinder and Validators
* PeerFinder and Validators will share the same sqlite file

src/ripple_app/main/Application.cpp

@@ -288,7 +288,9 @@ public:
         , m_txQueue (TxQueue::New ())
 
         , m_validators (add (Validators::Manager::New (
-            *this, LogPartition::getJournal <ValidatorsLog> ())))
+            *this, 
+            getConfig ().getModuleDatabasePath (),
+            LogPartition::getJournal <ValidatorsLog> ())))
 
         , mFeatures (IFeatures::New (2 * 7 * 24 * 60 * 60, 200)) // two weeks, 200/256
 
@@ -685,8 +687,8 @@ public:
         //
         //             if (!getConfig ().RUN_STANDALONE)
         m_peers.reset (add (Peers::New (m_mainIoPool, *m_resourceManager, 
-            *m_siteFiles, *m_resolver, m_mainIoPool, 
-                m_peerSSLContext->get ())));
+            *m_siteFiles, getConfig ().getModuleDatabasePath (),
+            *m_resolver, m_mainIoPool, m_peerSSLContext->get ())));
 
         // SSL context used for WebSocket connections.
         if (getConfig ().WEBSOCKET_SECURE)