Patch from Dan Reed:  DHCP options D-BUS API
		Exposes the DHCP options that a device receives to clients over D-BUS.

	* configure.in
		- A few cleanups

	* dhcpcd/client.h
		- Correct names, option length, and types for DHCP options

	* dhcpcd/dhcpcd.[ch]
		- Clarify function names that access DHCP options & data

	* src/NetworkManagerDHCP.c
		- Use new DHCP data access functions

	* src/NetworkManagerDbus.c
		- Message handler for DHCP functions

	* src/nm-dbus-dhcp.[ch] (new)
		- DHCP dbus methods

	* test/nm-dhcp-opt-test.c
		- Test DHCP D-BUS API and return all present DHCP options


git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@444 4912f4e0-d625-0410-9fb7-b9a5a253dbdc