ifup,ifreload: wait for all tentative addresses
man,spec: introduce ifcfg-dhcp man page

Covers DHCLIENT and DHCLIENT6 variables.
man: reference ifcfg-dhcp5 and remove template reference from ifcfg5
man: remove template reference from ifup8
man: remove template reference from ifcfg-wireless5
client,xml: move xml helper functions to library code
client,util: move sprint helper functions to library code
fsm: New device structure print
Merge pull request #434 from pwieczorkiewicz/tentative_wait

ifup,ifreload: wait for all tentative addresses
Merge pull request #435 from kmroz/ifcfg-dhcp

man: introduce ifcfg-dhcp man page covering DHCLIENT and DHCLIENT6 vars
Merge pull request #436 from pwieczorkiewicz/struct-print

fsm: corrected device hierarchy structure print
Merge pull request #437 from kmroz/util-cleanup

util,xml: move useful functions to libwicked