* add check_mode option for tasks
includes example testcases for the template module
* extend check_mode option
* replace always_run, see also proposal rename_always_run
* rename always_run where used and add deprecation warning
* add some documentation
* have check_mode overwrite always_run
* use unique template name to prevent conflicts
test_check_mode was right before, but failed due to using the same filename as other roles
* still mention always_run in the docs
* set deprecation of always_run to version 2.4
* fix rst style
* expand documentation on per-task check mode
Instead of getting rid of pipes.quote, use pipes.quote and get rid of
the manually entered toplevel quotes. This should properly escape
backslashes, quotes, and other characters.
Also fix the new checksumming python "one-liner" for csh.
ansible_shell_type needs to be set to csh.
Fixes#10363Fixes#10353
