rid of empty entries from  to avoid malformed sql query

Conflicts:
	www/include/configuration/configResources/DB-Func.php
Duplicated lines removed.

fixes #4470
Perl code refactoring.

* New centreon perl library
* Rewritten script (purge, logAnalyser)

Conflicts:
	www/install/sql/centstorage/Update-CSTG-2.4.1_to_2.4.2.sql
Proper help messages and default DIE handler.
Fix #5140
Fix indentation
+ Add debug logger class
+ Protect port db class
+ Correct level in logger class
+ Can specify severity
First work on cron reporting

Conflicts:
	cron/perl-modules/CentreonAck.pm
	cron/perl-modules/CentreonDownTime.pm
Step work on eventreportbuilder
First work on cron reporting

Conflicts:
	cron/perl-modules/CentreonAck.pm
	cron/perl-modules/CentreonDownTime.pm
Mod directories
Finish eventReportBuilder
Mod request returns
Finish migrate eventReportBuilder
Mig dasboardBuilder

Conflicts:
	bin/logAnalyser
Finish dashboard
Using prepared statements.
Few fixes.
Beginning trapd mig