zsh: set ESCDELAY=25

Signed-off-by: Christopher Larson <kergoth@gmail.com>
zsh: move path definition to zshrc

On at least some systems, the system profile can be sourced *after* zshenv,
overwriting the PATH defined there, so move it later in the shell startup
process.

Signed-off-by: Christopher Larson <kergoth@gmail.com>
zsh: unsetopt autonamedirs

Signed-off-by: Christopher Larson <kergoth@gmail.com>