rbenv-bundler: fix updated 0.95 tag.
mjpegtools: depend on X11 if installed.

Closes #17222.
mpegdemux 0.1.4

Closes #17223.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Remove xml2rfc.

xml2rfc is now installable via pip.

Closes #17227.
libuv 0.9.7

Closes #17226.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gsutil 3.21

Closes #17225.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
plenv 1.1.0

Closes #17220.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
byobu 5.29

Signed-off-by: Dustin Kirkland <kirkland@byobu.co>
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
byobu works *much* better with tmux than screen

Closes #17221.

Signed-off-by: Dustin Kirkland <kirkland@byobu.co>
Closes #17221.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
rhash: add Lion requirement

Closes #17132.
zbar: depends on :x11
libodbc++ 0.2.5

Closes #17224.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
sbcl: add update notice for maxima

Closes #17218.

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