ghc: add mavericks bottle.
boost: add mavericks bottle.
mosquitto 1.2.2

Closes #23697.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Mac.prefer_64_bit?: fix conditional for 10.4
Import ant from homebrew-dupes
Add ant dependency

Closes #23484.
Closes #23494.
Closes #23681.
henplus: depends on ant
voltdb: depends on ant