highlight 3.18

Closes #29267.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libsodium 0.5.0

Closes #29254.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
fswatch 1.3.2

Closes #29261.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
fswatch: modernize

 - requires C++11
 - use full autotools build
 - remove broken test