Add a .fbtermrc file.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: add support for fbterm.

fbterm is a terminal emulator for the Linux console that supports fonts and
256 colors.  Add support for it, and allow the incoming terminal type to be
anything, since it might be either fbterm or linux.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: move duplicated code to a function.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: fix printing of error message.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: ensure TTY is set before using it.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: fix incorrect comments.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: enable history sharing.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
zshrc: add support for inserting unicode characters.

On other people's systems, there may not be a compose key.  zsh provides a
widget for inserting an arbitrary Unicode character (actually, code point).
Import some code to do this from grml.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
ct_grey: highlight quotes for zsh and sh.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
vimrc: don't force saving when changing buffers.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
gitconfig: add alias for diff --cached.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>