Fixed: Service Center does not show MOD_PERL version on Ubuntu 14.04 (bug#10577).

Conflicts:
	CHANGES.md
Added new SupportDataCollector plugin to determine the loaded apache modules.
String.
Show invalid DF and invalid DFV.

Conflicts:
	Kernel/Output/HTML/Standard/AAASupportDataCollector.tt
Unify SQL.
Tidied.