kiwi jihadi mark taylor posted a video inciting terror attacks on anzac day .
australian and new zealand authorities have increased security measures .
he told is followers to ` stab ' police officers or soldiers at anzac services .
` now is the time to commence your operations , even if it means you have to stab a few police officers , soldiers on anzac day and so be it . '
nz police commissioner ` satisfied ' appropriate measures are in place .