neon: always use Homebrew's openssl

We now always use Homebrew's openssl. Users can install certs by adding
.pem files to
  $(brew --prefix)/etc/openssl/certs
and then running
  $(brew --prefix openssl)/bin/c_rehash
cadaver: always use Homebrew's openssl
subversion: always use Homebrew's openssl
subversion: update 1.8.8 bottle.
libmowgli: use Homebrew's openssl
dovecot: use Homebrew's openssl
ncrack: use Homebrew's openssl
freetds: use Homebrew's openssl
postgres-xc: use Homebrew's openssl
rdesktop: use Homebrew's openssl
opensc: drop comment that originated with totally different code
lv2 1.8.0

Closes #28616.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
mda-lv2 1.2.2
lilypond devel 2.19.5

Closes #28621.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Ansible 1.5.5

Closes #28613.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libsvm 3.18

Closes #28606.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
influxdb 0.5.10

Closes #28622.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
influxdb: update 0.5.10 bottle.
ggobi: depends on libtool

Fixes #28624.
elixir 0.13.0

Elixir 0.13.0 depends on Erlang 17 which is available on homebrew
just as devel. Furthermore, Erlang 17 dropped the R in the otp
release which requires an update in the detection code.

Closes #28581.

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