Daemon is now capable of providing version information through the
`--version` cli option.

variables and paths have been updated to the new project name
ADAFS -> GKFS

Get rid of all the occurrences of old project name "adafs" from output
strings and documentation

ADAFS_CWD -> GKFS_CWD

From now on the changelog will adhere to the https://keepachangelog.com/en/1.0.0/ format

get rid of old adafs name from pid file

ADAFS_DEPS_INSTALL variable is deprecated and not used anymore.