Added rounding for Memory/CPU ratios in Cluster textual helper
Added rounding for Memory/CPU ratios in Cluster textual helper

https://bugzilla.redhat.com/show_bug.cgi?id=1365664
(transferred from ManageIQ/manageiq@5aa1e7c9366fb8d0b635ab36545c7c863c45721a)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic