fix: don't mark a browser captured if already being killed/timeouted

Closes #88

Author: vojtajina

lib/launchers/Base.js

@@ -47,7 +47,9 @@ var BaseBrowser = function(id, emitter, captureTimeout, retryLimit) {
 
 
   this.markCaptured = function() {
-    self.state = CAPTURED;
+    if (self.state === BEING_CAPTURED) {
+      self.state = CAPTURED;
+    }
   };