svn path=/main/trunk/; revision=6472
portage-2.1.3
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-* Legacy "masked by: profile" support has been removed. Profiles should use
- package.mask to mask unwanted versions of system packages.
* Allow per-module setting of PORTAGE_ELOG_CLASSES
* Add ** as new token for package.keywords to bypass the keyword visibility layer
* Namespace sanitizing: move all portage related code into portage.* namespace,