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Conflicts:
	ChangeLog

introduced at entry "359" (which should have been 350).

Conflicts:
	ChangeLog
	src/lib/dhcp/iface_mgr.h

- ChangeLog from master merged.
- dhcp4_srv cleanup (echo remnants removed, assignLease renamed)
- Pkt4::unpack() now is void and throws in case of problems

This documentation was updated previously in Docook XML format,
now commit the regenerated nroff versions.

- Supported standards section added
- Numerous smaller updates

- DHCPv6 server now sends DNS-SERVERS option
- refactored processSolicit(), processRequest()
- added appendDefaultOptions(), appendRequestedOptions(), assignLeases()
- many parameters are now const &
- const HARDCODDED_* parameters added for similar customizations
- IfaceMgr::openSockets6() now skips loopback, down, or unicast interfaces.

- Vector initialization clean-ups
- Typo in comment

- appendRequestedOptions(), assignLease() added in dhcpv4_srv class.
- dhcpv4_srv now uses hardcoded values from 192.0.2.0/24 range.

This is a fairly complex function so instead of writing a replacement
for it, compile a short program that outputs a message saying that
perfdhcp is not supported on that operating system.

Conflicts:
	ChangeLog
	src/bin/dhcp4/dhcp4_srv.cc
	src/bin/dhcp6/dhcp6_srv.cc
	src/lib/dhcp/iface_mgr.cc
	src/lib/dhcp/iface_mgr.h
	src/lib/dhcp/tests/iface_mgr_unittest.cc

Conflicts:
	ChangeLog