Minor formatting fixup in README.md

Code for module declares both of these parameters as optional and defaults them to undef. Modify README to note this fact, so as to avoid confusion for folks using Kerberos to bind to the LDAP server.

Replace single quote with backtick to get the table of contents to display cleanly.

Add missing docs for #109

Add order parameter to realm class

Allow use of ca_path in ldap module

Update params.pp

Add explicit case for Deb9

Change the default to cover newer versions of Debian

Disable Travis CI for now, as it doesn't currently work

Add support for Ubuntu 18.04

Spacing cleanups of the config file templates

Fix unbalanced quote

2 typos

Default permission issues

* Manage attr_filter module's default config files so we can set permissions
* Manage the `hints` file so we can set permissions

Fix huntgroups when there is more than one condition

Where there is more than one condition, then multiple huntgroup lines
should be created

Huntgroup

Fix query_file path

$custom_query_file is initialized as undef, so this check implied
custom_query_file was always used.