Added epiphany-extensions to local portage tree due to removal in main tree
Disabled predictable network interface names in udev-200
Initial XChat -> HexChat replacement due to XChat masking in-tree

SASL is apparently supported by HexChat, so custom plugin is not
necessary.

No OTR plugin is available for HexChat in main tree.

TODO: Configuration.
Improved ACPI events configuration
Disabled nscd
Build-time fixes for PaX markings
Minor build-time improvements for stripping SUID bits
Minor build-time fixes