Vigor SMS

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1. Add the unread status on inbox list page.
2. Add the pages of Search, Support List and About.
3. Add the phone contact list for sending message to multiple clients.
4. Support to input MAC address in Add/Edit profile page.
5. Support to send/delete message records based on outbox cache.
6. Support the new router model with LTE module (e.g., Vigor2927L,
Vigor2865L).
7. Update the WUI layout and add "No SIM" status on Network page.