Midnight Commander v4.8.9

**VFS**
- extfs: support unrar-5
- extfs: use xorriso (if exists) for writing into ISO images

**Editor**
- Support unlimited file size

**Misc**
- Lot of code cleanups
- Display additional info while viewing (by F3) *.iso files
- New skins:
 - modarin256: set of 256-color skins from Oliver Lange

**Fixes**
- Fail to link if system lib does not contain strverscmp
- Segfault when mc's temporary directory doesn't belong to the correct user
- Race condition when creating temporary directory
- Mouse doesn't work in screen and tmux
- Incorrect file size in copy/move overwrite query dialog
- Garbage in subshell prompt
- Incorrect WLabel redraw after text change
- Find File: "All charsets" options don't work
- When an unknown key is pressed, it is interpreted as garbage
- Segfault on creating new file in external editor
- Rotating dash is not removed when mc finishes reading the directory
- mcedit: word completion failed if word to be completed is begun from begin of file
- mcview: broken switch between raw and parse modes
- Hex viewer: continue search doesn't work
- sftpfs: broken SSH aliases

[Read Changelog](https://www.midnight-commander.org/wiki/NEWS-4.8.9)