fixed minor issues

Minor fix for running on CVL product. It should be fine to run on CVL product repeatedly in cron job. I'll double check next week

See merge request !19

Fixed to build CVL

Fixed issues to build on CVL

See merge request !18

Add postfix, re-create a new nagios server and further fix other issues

Add a postfix role, re-create a new nagios server and fixed other issues as well. Chris, you were not here last week, so put everything in this branch. Please merge it, I'll start another new branch

See merge request !17

Chris changes

See merge request !16

Fixed syntax error for ansible v2

Fixed syntax errors from ansible v2, Chris, please merge it, I'll start another branch.

See merge request !14

Fixed SSH host key ECDSA

Fixed SSH host key ECDSA for CentOS 6 build. Chris, please merge it, I'll create another branch for fixing ansible v2 other issues

See merge request !13

Addcvlsmbclient

Add samba client package requested by ticket 8133

See merge request !12

disable bdb log files

Disable bdb log files to fix filling up disk space.

See merge request !11

Fixed ldap password to no-expiry

Merge request for fixing ldap password to no-expiry

See merge request !10

Compatability with ansible2 and add a role to create a sudo enabled group

See merge request !7