modules.lxc: expand $PATH on the conainer instead of the host
modules.lxc: escape bootstrap_args; use configurable shell
modules.lxc: avoid hardcoding paths -- lxc-attach sets PATH
Three-character function names
Remove self-referencial cross-calls
Removed last two cross-call refs
Linting
Merge pull request #16523 from techhat/lxc

Remove self-referencial cross-calls from lxc module
Merge pull request #16260 from mgwilliams/lxc

modules.lxc: expand $PATH on the container instead of the host