(maint) Add f20 to default mocks
Merge pull request #2125 from melissaanne/ticket/stable/re-597-add-f20

(maint) Add f20 to default mocks
(packaging) Update PUPPETVERSION to 3.4.0-rc2
Merge tag '3.4.0-rc2'

3.4.0-rc2

* tag '3.4.0-rc2':
  (packaging) Update PUPPETVERSION to 3.4.0-rc2
  (maint) Add f20 to default mocks