Adjust Viewport Size por FullStackChoreman

v1.0.1resigned1
- Automatically re-signed by Mozilla Add-ons Team

v1.0.0
- Resize Viewport and window
- Sortable Preset list (Powered by Sortable.js)
- Hotkey (Alt+Shift+n / Option+Shift+n)
- Scrollbar thickness detection
- Display current information
- Export and Import using JSON (in option page)
- No permissions required