RetroWatch: smart watch client

Invalid date

# RetroWatch Android v1.0.7
- Simplify UX/UI
Deleted RSS feed tab, RSS feed browser
Simplify filtering: support only 2-type filtering. One is package name filtering and another is string-match filtering. User can select this type by touching message item
But still user can select icon at each filter.
- Fix various bugs
- Now battery and wifi messages are normal message (previously they are emergency msg)
- Remote sync interval gets longer
- Add cutom clock style in settings > clock style.