pkg-config: add vendored pc files to default path

Homebrew provides some missing pc files for recent OS X versions,
and they should be available to pkg-config by default.

Note that under both stdenv and superenv, we override the built-in path,
so changes to the formula do not affect the stability of builds.

cf. #21171.
Closes #24321.
pkg-config: update bottle.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Parallel SSH Tools 2.3.1

Closes #23817.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
PyPy 2.2

Closes #24317.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
bash: apply patch for bad strcpy in decode_prompt_string

Closes #23470.
vim: clean vi -> vim symlink

Closes #23722.
transmission-remote-gtk 1.1.1

GTK remote control for the Transmission BitTorrent client
http://code.google.com/p/transmission-remote-gtk/

Closes #23373.

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