Temperature decimal correction and other features

[hkusulja]

Tado (Connect) is displaying correct temperature from thermostat on mobile smartthings application.
However, it is not properly set as decimal type, since ActionTiles can not pickup decimals (only integer) from current temperature sensor. So this needs to be fixed.

Also, it will be good to be able to have sensor/button way, that ActionTiles can send info about setting back to auto - Tado scheduled temperature, and not manual.

I believe this all is related to Tado (connect) smartthings app, that does not expose "the correct" value and datatypes.

Btw, great app :)

[fuzzysb]

@hkusulja This project is now discontinued, i no longer have access to the smartthings platform which is undertaking a large amount of change. please create a pull request with the required changes and i will merge