- Convert to USES=autoreconf
- Support building with Clang
- Convert to USES=autoreconf
- Fix detection of base system Heimdal
Add entry for net/krfb (CVE-2014-6055).
Add upstream patches for CVE-2014-6055 (more vulnerabilities in libvncserver).

Don't worry, more recent krfb versions will stop bundling libvncserver.

MFH:		2014Q3
Security:	fb25333d-442f-11e4-98f3-5453ed2e2b49
Fix building WITH=NLS

Many thanks to:	tijl
Sponsored by:	Absolight
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Fix stage violation