Merge branch 'stable' into hercules

Release v2019.02.10

Signed-off-by: Haru <[email protected]>

Release v2018.12.16+1

Signed-off-by: Haru <[email protected]>

Release v2018.12.16

Signed-off-by: Haru <[email protected]>

Release v2018.11.18+1

Signed-off-by: Haru <[email protected]>

Release v2018.11.18

Signed-off-by: Haru <[email protected]>

Release v2018.10.21

Signed-off-by: Haru <[email protected]>

Release v2018.09.23

Signed-off-by: Haru <[email protected]>

release v2018.08.26+1

Release v2018.08.26

Signed-off-by: Haru <[email protected]>