Fix bug related to connection message

Summary:
The bug caused the waiting message to remain set to "Connecting..."
Closes T61

Test Plan: wie immer

Reviewers: samit.vaidya

Reviewed By: samit.vaidya

Maniphest Tasks: T61

Differential Revision: https://office.tobyrich.com/D95
Add weather task

Summary:
Get weather data in an AsyncTask
Closes T62

Test Plan: Use it in the FullscreenActivity

Reviewers: samit.vaidya

Reviewed By: samit.vaidya

Maniphest Tasks: T62

Differential Revision: https://office.tobyrich.com/D96
Implement screen slider

Summary:
To the left, there is a weather forecast.
To the right, there are settings.

Included commits:
Remove useless Fragment
Finalize prototype for weather center
Improve code style and remove useless assets
Prototype settings
Finish UI update

closes T63

Test Plan: wie immer

Reviewers: ernesto.gonzales, samit.vaidya

Reviewed By: samit.vaidya

Subscribers: ulrich.ditschler

Maniphest Tasks: T63

Differential Revision: https://office.tobyrich.com/D97
Using LibSmartlink with hardcoded names

see D98
Fix atcSound switch bug

Summary: closes T67

Test Plan: turn on sound && disable atctower

Reviewers: samit.vaidya

Maniphest Tasks: T67

Differential Revision: https://office.tobyrich.com/D99
Move BT intent from lib-smartlink to app

Summary:
Also, improve logging
closes T66
closes T68

Test Plan:
check if the "enable bluetooth" dialog is displayed,
when bluetooth is off and if the connection works

Reviewers: samit.vaidya

Reviewed By: samit.vaidya

Maniphest Tasks: T66, T68

Differential Revision: https://office.tobyrich.com/D100
Improve UI in weather center

closes T71
Add circle indicator
Add sound to buttons

+ document changes as requested by Apache license 2.0
Change LibSmartlink

the new lib has a fix for NPE
Fix timer NPE
Fix rudder not working on reconnect bug
Add weather info on main screen
Add checklist option
Make button selection persistent
Dismiss checklist on touch

closes T65
Add sound effects when page is changed