Bump to v0.7.4

Docker-DCO-1.0-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #3495 from crosbymichael/bump_v0.7.4

Bump v0.7.4
Merge branch 'release' into merege_release_v0.7.4

Docker-DCO-1.0-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Change version to v0.7.4-dev

Docker-DCO-1.0-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #3498 from crosbymichael/merge_release_v0.7.4

Merge release v0.7.4