fixed typos found by RETF rules in RST files

rules are avaialble at https://en.wikipedia.org/wiki/Wikipedia:AutoWikiBrowser/Typos
Merge pull request #7267 from berendt/retf

fixed typos found by RETF rules in RST files
Used module_args passed to function instead of from runner
Fix error handling on missing dest with unarchive

fixes #7107
Merge branch 'devel' of https://github.com/denisphillips/ansible into denisphillips-devel
Docker client occasionally returns a NoneType, so we have to catch the TypeError