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
Doc typos, minor corretion in docstring for set_pass
Link in some other docs, correct typos, clarify some LXC config parameters.
Merge pull request #12298 from cro/lxc_docs_cp

LXC Salt-cloud driver docs cleanup.