Closes #137 - TaPaSCo is stuck after all jobs finished in verbose mode

src/main/scala/tapasco/activity/composers/VivadoComposer.scala

@@ -83,6 +83,7 @@ class VivadoComposer()(implicit cfg: Configuration) extends Composer {
           stdoutString => logger.trace("Vivado: {}", stdoutString),
           stderrString => logger.trace("Vivado ERR: {}", stderrString)
         ))
+    lt.closeAll
 
     // check retcode
     if (r == InterruptibleProcess.TIMEOUT_RETCODE) {

src/main/scala/tapasco/filemgmt/MultiFileWatcher.scala

@@ -104,6 +104,7 @@ class MultiFileWatcher(pollInterval: Int = MultiFileWatcher.POLL_INTERVAL) exten
         def run() {
           try {
             while (! _files.isEmpty || ! _waitingFor.isEmpty) {
+              Thread.sleep(pollInterval)
               val waits = _waitingFor.synchronized { _waitingFor.toList }
               waits foreach { p =>
                 logger.trace("waiting for {}", p)
@@ -117,7 +118,6 @@ class MultiFileWatcher(pollInterval: Int = MultiFileWatcher.POLL_INTERVAL) exten
                   publish(LinesAdded(p, lines))
                 }
               }
-              Thread.sleep(pollInterval)
             }
             _watchThread.set(None)
           } catch { case e: InterruptedException => _watchThread.set(None) }

src/main/scala/tapasco/task/ResourceMonitor.scala

@@ -56,8 +56,8 @@ private class DefaultResourceMonitor extends ResourceMonitor {
     ! ((cons fold ResourceConsumer.NullConsumer) (_ + _) usesMoreThan _available)
   }
 
-  def doStart(t: ResourceConsumer): Unit     = if (canStart(t)) _cons += t
-  def didFinish(t: ResourceConsumer): Unit   = _cons -= t
+  def doStart(t: ResourceConsumer): Unit     = if (canStart(t)) _cons.synchronized { _cons += t }
+  def didFinish(t: ResourceConsumer): Unit   = _cons.synchronized { _cons -= t }
   def canStart(t: ResourceConsumer): Boolean = Slurm.enabled || (t.canStart && check(_cons + t))
   def status: String = "%d active consumers, %d/%d CPUs, %1.1f/%1.1f GiB RAM, %d total licences in use".format(
     _cons.size, current.cpus, _cpus,