VR Tourviewer 0.4 build 89

[Ruud van Reenen]

A new VR Tourviewer update is available, you can download it here: https://www.vrtourviewer.com/forum/index.php?action=downloads;sa=downfile&id=14

0.4 Build 89
- upgrade to Unity 5.6
- fixed: single panorama without <tour> tag in the XML file didn't load
- fixed: manually added tours didn't play if they didn't point to an XML file directly

If you notice any issues, please post them on the forum.