Implement MacOS.dev_tools_prefix a different way

Avoid producing a dev_tools_path of "//usr/bin".

Fixes #24751.
Closes #24754.
Add conflicts_with annotations for mysql-connector-c

Fixes #24756.
ical-buddy: respect compiler selection

Fixes mistydemeo/tigerbrew#144.
midnight-commander: requires openssl on Leopard

Fixes mistydemeo/tigerbrew#141.
transmission: requires curl on Leopard

Fixes mistydemeo/tigerbrew#143.
hatari: needs libpng on Leopard

Fixes mistydemeo/tigerbrew#138
bup: fix 0.25-rc4 sha1.

Closes #24757.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
sbt 0.13.1-RC5 (devel)

Closes #24762.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qt: update patches needed for HEAD.
neo4j 2.0.0.RC1

Closes #24765.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
lsyncd: don't try to define incomplete resources

Fixes #24699.
shakespeare: depends on flex

Fixes #24763.
darkstat 3.0.717
dcraw 9.19
aria2: always build with Apple TLS support

aria2 requires C++11, so its C++ dependencies (gnutls, gmp) must have
C++11 options as well, unless we use Apple's built-in TLS support
instead.

Fixes #24709.
dfc 3.0.4
rcs 5.9.2

Closes #24777.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
dfu-programmer 0.6.2
di 4.34
abcmidi 2013-11-26

Closes #24758.

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