peer discovery fixes

ethereumj-core/src/main/java/org/ethereum/net/peerdiscovery/PeerDiscovery.java

@@ -40,7 +40,7 @@ public class PeerDiscovery {
 		// creating the ThreadPoolExecutor
 		executorPool = new ThreadPoolExecutor(CONFIG.peerDiscoveryWorkers(),
                 CONFIG.peerDiscoveryWorkers(), 10, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(
-						CONFIG.peerDiscoveryWorkers()), threadFactory, rejectionHandler);
+						1000), threadFactory, rejectionHandler);
 
 		// start the monitoring thread
 		monitor = new PeerMonitorThread(executorPool, 1);

ethereumj-core/src/main/resources/system.properties

@@ -72,7 +72,7 @@ samples.dir = samples
 # the existing database will be 
 # destroyed and all the data will be 
 # downloaded from peers again
-database.reset = true
+database.reset = false
 
 # place to save physical storage files
 database.dir = database

ethereumj-studio/pom.xml

@@ -71,7 +71,7 @@
         <dependency>
             <groupId>org.ethereum</groupId>
             <artifactId>ethereumj</artifactId>
-            <version>0.7.2.20141024.2336</version>
+            <version>0.7.2.20141025.0030</version>
         </dependency>
 
 		<dependency>

ethereumj-studio/src/main/resources/system.properties

@@ -49,7 +49,7 @@ peer.discovery = true
 # number of workers that
 # tastes the peers for being
 # online [1..10]
-peer.discovery.workers = 1
+peer.discovery.workers = 4
 
 # connection timeout for trying to
 # connect to a peer [seconds]