support --long options with getopt_long()
Merge branch 'hartmut-getopt_long' of https://github.com/hholzgra/MaxScale into hholzgra-hartmut-getopt_long
Merge branch 'hholzgra-hartmut-getopt_long' into release-1.0beta-refresh

Conflicts:
	client/maxadmin.c

Resolved