DO NOT MERGE: to be reviewed. Only i18n & Deprecation classes use
->getModules() as far as I can see. Given that the method still simply
returns an array of modulename => modulepath, I don't think it's really
an API change
The entire framework repo (with the exception of system-generated files) has been amended to respect the 120c line-length limit. This is in preparation for the enforcement of this rule with PHP_CodeSniffer.