ENYO-2053, ENYO-2052: Support multiple service type, refactor/simplify ServiceRegister.filter()
ENYO-2053, ENYO-2052: Support multiple service type, refactor/simplify ServiceRegister.filter()

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>

mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,mcanthony/ares-project,mcanthony/ares-project,enyojs/ares-project,enyojs/ares-project,enyojs/ares-project