Merge branch 'bmbouter-1129488' into pulp-2.4
add bz #1132609 to 2.4 known issues
Merge pull request #1125 from beav/known-issue-update

add bz #1132609 to 2.4 known issues
Add a warning about MongoDB versions to the release notes.
Merge branch 'pulp-2.4' into 2.4-dev