Fix errors in help message

[jvlcek]

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1545861

The help message for miqldap_to_sssd had three issue that this PR addresses.

Update bind-pwd description in help message
Change basedn-domain to domain
Fix spelling error coversion to conversion for skip-post-conversion-userid-change

Steps for Testing/QA

Simply run miqldap_to_sssd --help the output should look like the following:

miq> miqldap_to_sssd --help
Usage: ruby tools/miqldap_to_sssd.rb [options]
  -d, --domain=<s>                           The domain name for the Base DN, e.g. example.com
  -b, --bind-dn=<s>                          The Bind DN, credential to use to authenticate against LDAP e.g.
                                             cn=Manager,dc=example,dc=com
  -p, --bind-pwd=<s>                         The password for the Bind DN.
  -c, --tls-cacert=<s>                       Path to certificate file
  -n, --only-change-userids                  normalize the userids then exit
  -s, --skip-post-coversion-userid-change    Do the MiqLdap to SSSD conversion but skip the normalizing of the userids
  -h, --help                                 Show this message

[jvlcek]

@miq-bot add_label bug authentication gaprindashvili/yes

[jvlcek]

@miq-bot assign @abellotti

[miq-bot]

@jvlcek Cannot apply the following label because they are not recognized: bug authentication gaprindashvili/yes

[jvlcek]

@djberg96 Here is the code change PR that goes with the review comments you had provided for the blog updates in PR: ManageIQ/manageiq.org#642

Thank you for the extra 👀 !

[jvlcek]

@miq-bot add_label bug

[jvlcek]

@miq-bot add_label authentication

[jvlcek]

@miq-bot add_label gaprindashvili/yes

[miq-bot]

Checked commit jvlcek@8d5fcab with ruby 2.3.3, rubocop 0.52.0, haml-lint 0.20.0, and yamllint 1.10.0
9 files checked, 0 offenses detected
Everything looks fine. 👍

[abellotti]

Thanks @jvlcek for updating this, LGTM!! 👍

[djberg96]

@jvlcek 👍

[simaishi]

Gaprindashvili backport details:

$ git log -1
commit 72f37b935dd4fde62b0ec7e3d42a32f0c826feba
Author: Alberto Bellotti <abellotti@users.noreply.github.com>
Date:   Thu Feb 15 16:51:03 2018 -0500

    Merge pull request #17009 from jvlcek/bz1545861_miqladp_to_sssd_help
    
    Fix errors in help message
    (cherry picked from commit 54d4f028a9b889348789499d7de558d2602edc74)
    
    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1552791