- lowest supported Unity version is now Unity 2018.4

- assigned unarmed attack combo in player animator so that unarmed clip dont get changed when equipping weapon for Unity versions less than 2019.3

- added display of parent bone in equipment window so user can see which bone will control weapon while adjusting it

- changed equipment window inputs

- various trigger fixes on scenes

- removed UI dependacy on rifle with bullet camera

- bugfixes