The base path is now *outside* of the macro directory; allowing for a
more integrated view of `dfi`'s entire `root` system. This is more
apparent once running an interactive session where the expectation is
(more intuitively) that any path should be relative to 'src/root' and
not 'src/root/macro'.
The rationale for why this was in 'src/root/macro' to begin with stems
from how `root` (by default) will automatically load rootlogon.C in the
directory that `root` is started. This is causing more confusion than
not because `dfi`'s usage of `root` is not limited to macros.
These changes skirt the line between needing a major API bump and not
but, so far, appears to be on the side of *not*. However, the TODOs
noted for macro loading should be addressed prior to any API changes.
- dfi's `root` now supports shell loading (and running) of
macros/plugins:
* An interactive ROOT.cern instance is no longer *always* needed:
- For macros (non-server); a 'one-off' instance will start, load the
given macro, run the macro and then the instance will exit.
* Server(s) will maintain an interactive instance.
- For plugins; an interactive instance will start, load the given
plugin, and then leave the user to make their calls manually.
* All repo macros and repo/custom plugins are available.
- By default, an interactive instance will start when no dfi `root`
arguments are given.
See `root help` for details.
