Release v0.8.2

Changelist:

• emit warning if no dependencies are found
• require strace from the generate method
• fix pacman keys not being imported in non root environments (thanks @anupam-git)
• fix apt include list precedence over defaults was not being respected
• fix XDG_DATA_DIRS default value
• fix allow int and bool values in the runtime environment entry
• set --no-install-recommends in apt install calls