The `.zprofile` file is sourced by ZSH when the shell is run as a login
shell. The `.zprofile.local` file, if it exists, is sourced by the main
`.zprofile` script, and is the best place for unversioned per-machine
changes.
The `window_title` variable can be set to completely override the title
of the terminal window. Alternatively, if the `term_name` variable is
set, it will be prepended to the default window title.
Updating to the version of .zshrc on Tau Scorpii. This enhanced version
has a couple of improvements:
* Aliases moved to a separate file for easier maintenance
* Auto-discovery of functions on fpath