## Changes

- feat: added history and bookmark to kiosk control panel
    - also moved back and forward button side-by-side
- feat: allow pull to refresh as a separate setting
- feat: more setting actions, notably
    - clear cookies
    - clear cache
    - clear form data
    - clear history
    - clear SSL preferences
    - clear web storage
- feat: ssl handle mode configurable (BLOCK/PROMPT/PROCEED)
    - defaults to BLOCK - set to PROCEED with caution (dangerous)
- fix: allow kiosk control panel to be scrollable
- fix: avoid webview reload on ssl cert error cancellation
- fix: address bar unfocusable on launch (avoid autofocus on Android 5.0)
