Thanks to Sergio Talens-Oliag <sto@debian.org> for the bug report and patch.

... so that this option can be disabled on systems that don't support it.
This also allows to use another compression program, such as pbzip2 on SMP
machines (closes Roundup bug #2405).

This should fix Redmine bug #1340.

This option makes pipelines return as status the value of the last (rightmost)
command to exit with a non-zero status, or zero if all commands exit
successfully. See bash(1) for details.

E.g. this prevents the following from exiting with status 0 (!) if pg_dumpall
fails:

        pg_dumpall | gzip

The modelines added match the emacs lines already present and also set
the filetype to sh (just like the emacs lines).

Previously, there were many indentation styles in use: Real tabs, 2, 3
or 4 spaces, mixing these within the same file, function or even within
a single line.

This commit changes all bash scripts in the handlers, src and lib dirs
to use consistent indentation: three spaces are now used everywhere.
Other files (e.g. Makefiles) are left untouched.

Additionally, this commit removes all trailing whitespace.

and md5sum locations

re-ordered the handler list in the changelog to be alpha

 Reverted indentation level to 3.

 Changed default indentation level to 8, to make it presbyopia-friendly

moved start/stop ldap code so that it makes sense.