Native: log the root directory on startup
Native: log the root directory on startup

- Launcher needs to set this properly at least once, so this can help with debugging if something doesn't work (e.g someone upgrades to a new version but doesn't re-run the launcher to set the new install path, so the old managed code still loads)

jmquigs/ModelMod,jmquigs/ModelMod,jmquigs/ModelMod,jmquigs/ModelMod