Update libtool deps
Add `depend_on :apr`
subversion: add :apr dependency

Closes #33422.
subversion: combine conditionals
imap-uw: use Homebrew OpenSSL

Closes #33845.
BottleVersion: add imap-uw style versions
imap-uw: add 2007f bottle.
imap-uw: note that imap-uw is unmaintained
youtube-dl: update to 2014.11.4 with slight tweak of caveat's format.
youtube-dl: update 2014.11.04 bottle.