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.

add the ability to save the debconf package selection states in the sys handler, which aides in restoring installed packages with the right choices made

sys: support selection of VServers to run on with the new vsnames configuration option (Closes: Trac#45)

added ale to AUTHORS for ldap fixes
adjusted sys handler to allow for turning off of sfdisk (#404071)

 Reverted indentation level to 3.

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