Added doc (modules) + CS fixes
Merge branch '1.1.x' into stable

Conflicts:
	engine/PerlLib/Modules/Abstract.pm
	engine/PerlLib/Modules/Alias.pm
	engine/PerlLib/Modules/Domain.pm
	engine/PerlLib/Modules/Mail.pm
	engine/PerlLib/Modules/SubAlias.pm
	engine/PerlLib/Modules/Subdomain.pm