scm-manager 1.44

Closes #35211.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
scm-manager: update 1.44 bottle.
scm-manager: general cleanup.
ffmpeg 2.5.2

Closes #35210.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ffmpeg: update 2.5.2 bottle.
Merge remote-tracking branch 'upstream/master'