enh(core): enhance logger lib to handle utf8, add possibility to pass…

[garnier-quentin]

… connection options to perl db lib

Pull Request Template

Description

• Can use 'mysql_enable_utf8' for DBI connect
• Can display correctly utf-8 (log file and terminal)

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software
• Updating documentation (missing information, typo...)

Target serie

• 2.8.x
• 18.10.x
• 19.04.x (master)

How this pull request can be tested ?

You can test it with last version of centreon-auto-discovery-server for example:

• create an host with characters like: centreonétest
• try to check it with following command: perl centreon_autodisco.pl --filter-host="centreonétest"

It should do the discovery rule.

Checklist

Community contributors & Centreon team

• I followed the coding style guidelines provided by Centreon
• I have commented my code, especially new classes, functions or any legacy code modified. (docblock)
• I have commented my code, especially hard-to-understand areas of the PR.
• I have made corresponding changes to the documentation.
•  I have rebased my development branch on the base branch (master, maintenance).

Centreon team only

• I have made sure that the unit tests related to the story are successful.
• I have made sure that unit tests covers 80% of the code written for the story.
• I have made sure that acceptance tests related to the story are successful (local and CI)

[adr-mo]

Merged on master and 18.10.x