- distro_info: ignore dot part of the version for ALT (9.0 -> p9)

- fix p10 name

- set Generic DISTRIB_ID after all

- fix c9f1 detection again

- distro_info: fix package type detection for Kali Linux
- distro_info: add -z for print current CPU MHz
- distro_info: fix c9f1 detection

- distro_info: fix bashism
- distro_info: fix --distro-arch for rpm based systems

- distro_info: use getconf LONG_BIT for get_bit_size
- distro_info: fix get_arch for arm64 and armv7

- distro_info: set rolling version for ArchLinux
- distro_info: use /etc/os-release firstly, drop obsoleted code
- distro_info: set pretty name if PRETTY_NAME is empty
- move package manager detection to distro_info (-g option)

- distro_info: add --debian-arch

- distro_info: improve ALT c8 support
- add --distro-arch support (returns distro depended arch name)

- distro_info: add -c: print number of available CPU cores
- distro_info: cosmetic improvements

- fix for catching up p9 branches (thanks, iv@)

- distro_info: add support for c8 and c9

- improve virtualization detection
- drop upstart detection
- add --pretty option to print pretty name of the distro