added a XML-Simple Perl module (goolf only atm)

Conflicts:
	easybuild/easyconfigs/p/Perl/Perl-5.16.3-goolf-1.4.10.eb
correct filename for XML-Simple easyconfig
add ictce easyconfigs for XML-LibXML and XML-Simple
add libxml2 dep for XML-LibXML ictce easyconfig
don't remove empty line before moduleclass line
Merge pull request #12 from boegel/perl_xml

correct XML-Simple filename + add ictce easyconfigs
fix merge conflicts with develop
Merge pull request #397 from boegel/perl_xml

add XML-LibXML, XML-Simple easyconfigs