autogen 5.18.1

Closes #23064.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Add HEAD

For the adventurous webp aficionados.

Closes #28620.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
nexus 2.8.0-05

nexus: upgrade to 2.8.0

Closes #28614.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
PredictionIO 0.7.0

Closes #28627.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
multimarkdown: add test
multimarkdown: add 4.5 bottle.