When there are thousands of compute nodes, it would be slow to get the
whole hypervisor list, and it is bad for user experience to display
thousands of items in a table in horizon. This patch is proposed to
support pagination for hypervisor by adding `limit` and `marker` to
the list api.
Implements blueprint: pagination-for-hypervisor
Change-Id: Ie7f8b5c733b383f3e69fa23188e56257e503b5f7