rsstail 1.8

Closes #16453.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
zbar: x11 is optional

Closes #17653.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
vcsh 1.0-1

Closes #16532.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Print formula plist_manual caveat unless loaded.
rbenv-default-gems: fix caveats
ncdu 1.9

Closes #17656.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
RabbitMQ 3.0.2

Closes #17661.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
mosquitto 1.1.2

Closes #17662.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Flesh out MacOSVersion tests
MacOSVersion -> MacOS::Version
download_strategy: move requires out of method

This can cause subtle issues when an exception is marshaled between the
build process and the main Homebrew process, as the marshaled exception
may contain URI objects even when the main Homebrew process has not
loaded the URI library.

Closes #17642.
Convert MacOS::Xcode.version to a Version object