Updated CHANGES.txt for 4.8.0-beta00005
Updated CHANGES.txt for 4.8.0-beta00005

NightOwl888/lucenenet,jeme/lucenenet,laimis/lucenenet,apache/lucenenet,apache/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,apache/lucenenet,sisve/lucenenet,apache/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,laimis/lucenenet,jeme/lucenenet,sisve/lucenenet