* remove data directory when app is uninstalled
Tests:
1. Install and configure the app
2. Reinstall app and confirm the initial setup page is shown
Signed-off-by: nbenedek <contact@nbenedek.me>
[sunil: Update docstrings, make uninstall fail-safe]
[sunil: Fix uninstall test by setting up after reinstall]
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
