Set socket closing by interruption trace as FINE level

Additional comments, extract exec command default name to constant

Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>

gclc-socket/src/main/java/fr/bigeon/gclc/socket/SocketConsoleApplicationShell.java

@@ -198,7 +198,10 @@ public class SocketConsoleApplicationShell implements Runnable {
                 }
                 communicate(writer, in);
             } catch (SocketException e) {
-                LOGGER.log(Level.INFO, "Socket closed", e); //$NON-NLS-1$
+                LOGGER.log(Level.INFO, "Socket closed"); //$NON-NLS-1$
+                LOGGER.log(Level.FINE,
+                        "Socket closed with exception (probably due to server interruption)", //$NON-NLS-1$
+                        e);
             }
         }
     }

gclc-socket/src/test/java/fr/bigeon/gclc/socket/ConsoleRunnableTest.java

@@ -61,7 +61,7 @@ public class ConsoleRunnableTest {
         int i = 0;
         String[] cmds;
 
-        /** @param cmds */
+        /** @param cmds the commands to run */
         public ConsoleManagerTestImplementation(String[] cmds) {
             super();
             this.cmds = cmds;

gclc-socket/src/test/java/fr/bigeon/gclc/socket/TestServer.java

@@ -60,7 +60,6 @@ public class TestServer {
         return server;
     }
 
-    /** @return */
     private static SocketConsoleApplicationShell getShell() {
         if (SHELL == null) {
             SHELL = new SocketConsoleApplicationShell(3300, "close",