Removing empty arrays on non existing values
Removing empty arrays on non existing values

Fixes mesosphere/marathon#2058

mesosphere/marathon-ui,janisz/marathon-ui,watonyweng/marathon-ui,Raffo/marathon-ui,cribalik/marathon-ui,mesosphere/marathon-ui,watonyweng/marathon-ui,janisz/marathon-ui,Raffo/marathon-ui,cribalik/marathon-ui