client,xml: move xml helper functions to library code
client,util: move sprint helper functions to library code
Merge pull request #437 from kmroz/util-cleanup
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
Merge branch 'master' into testing