unison: make objective-caml a build dep
unison: add 2.40.102 bottle.

Closes #32735. Closes #32736.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
Intercept calls to sub! in inreplace blocks
lighttpd: fix bad regexp

Found by 3081621a457c70548c9637ff5ab94c3ccd37808d.
mongodb: make it compile on yosemite
mongodb: update 2.6.4_1 bottle.