Made lockable abort fully if everything unlocked on first error

lockable.go

@@ -105,8 +105,19 @@ func (ext *LockableExt) HandleErrorSignal(ctx *Context, node *Node, source NodeI
         }
       case Locking:
         changes.Add(LockableExtType, "state")
-        ext.State = AbortingLock
         ext.Requirements[info.Destination] = Unlocked
+        unlocked := 0
+        for _, state := range(ext.Requirements) {
+          if state == Unlocked {
+            unlocked += 1
+          }
+        }
+
+        if unlocked == len(ext.Requirements) {
+          ctx.Log.Logf("lockable", "%s unlocked from error %s from %s", node.ID, signal.Error, source)
+          ext.State = Unlocked
+        } else {
+          ext.State = AbortingLock
           for id, state := range(ext.Requirements) {
             if state == Locked {
               ext.Requirements[id] = Unlocking
@@ -116,6 +127,8 @@ func (ext *LockableExt) HandleErrorSignal(ctx *Context, node *Node, source NodeI
               ctx.Log.Logf("lockable", "sent abort unlock to %s from %s", id, node.ID)
             }
           }
+        }
+
       case Unlocking:
         ext.Requirements[info.Destination] = Locked
         all_returned := true