english syntax fix

remove redundant 'are'
Merge pull request #6328 from lathan/patch-1

english syntax fix
add yum module downgrade support
add sponsor copyright/attribution
change order of copyright
Spelling and formatting.
Look at the filename and if it has a version defined possibly process this as a downgrade.
Merge pull request #6333 from risaacson/pull_6033

Merge pull_6033.
Yum: Fix logic in yum.
Merge pull request #6334 from risaacson/pull_6033

Yum: Fix logic in yum.