Add easyconfig for CUDA 5.5.22

use namelower, version, versionsuffix templates

fix missing dependencies + style consistency fixes in touched easyconfig files

add XML-LibXML, XML-Simple easyconfigs

add XML Perl modules to non-bare Perl easyconfigs

Imkl

use %(version)s

correct XML-Simple filename + add ictce easyconfigs

CUDA 5.5.x adds support for a unified Linux installer, instead of using
different installers for each distro.

Wrf

enhancements/cleanup for PR 372

style/consistency fixes

Update GCC easyconfigs

style and consistency fixes

goolf/ictce easyconfigs for YAML::Syck

Added zsh

Stacks

fixed remarks made in #367

Stacks