doxygen: add test

Closes #35351.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libpng: add test

Closes #35352.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
fig, tutum: add conflicts_with.
libyaml: add test

Closes #35353.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libmpc: modernize
libmpc: add test

Closes #35354.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libsodium: add test

Closes #35355.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
zeromq: add test
czmq: fix libsodium dependency on zeromq

Closes #35357.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
czmq: update 2.2.0_1 bottle.
Merge remote-tracking branch 'upstream/master'