Add missing required space
Bash is not always available.

Let's stick with POSIX compliant shell
Don't rely on `EUID`
Merge pull request #12288 from s0undt3ch/hotfix/lxc-fixes

LXC tarball fixes
Now it is working! Only tested without the bootstrap script though
Fixed error in docs, `creates` is only available in Helium
Merge pull request #12293 from basepi/cmdcreates12285

Fixed error in docs, `creates` is only available in Helium
Link in some other docs, correct typos, clarify some LXC config parameters.
Doc typos, minor corretion in docstring for set_pass
Merge remote-tracking branch 'upstream/develop' into lxc_docs
Merge branch 'lxc_docs' of github.com:cro/salt into lxc_docs