v2.2.0

removed manual configuration step from makefile
added files to manpage
added files to uninstall process
added admin cmds: show-cfg-path, show-db-path
removed unnecessary and error-prone conversions for work durations
added cmd show-project-records
added cmd swap-project-records
changed day to full date in reports
changed summary line format in reports
updated manpage
updated bash-completions