Description of problem:
spice-html5 is not available for rhevm, thus it cannot be used, even as experimental feature.

please add spice-html5 as dependency for rhevm-backend like it was done for novnc.

Version-Release number of selected component (if applicable):
is8

How reproducible:
100%

Steps to Reproduce:
1. install rhevm
2. check if spice-html5 is installed
3.

Actual results:
spice-html5 does not exist

Expected results:
spice-html5 should be present

Additional info:
# yum deplist rhevm-backend | egrep 'dependency: (novnc|spice)'
  dependency: novnc