UI/Save Data fixes

This update should make some UI elements more clear, and it should fix issues with save data related to playing the demo.

This will reset your save data - if you want to keep it, all you need to do is go to Local Disk/Users/YourName/AppData/LocalLow/smallhex/sadball and then rename all the old files to have the prefix"Sadball_"

Nothing is really locked behind your save data anyways, so alternatively you can just skip this and use the level select to return to where you were.

-fixed level select issues related to playing the demo -fixed achievement issues related to playing the demo -reworded level select -added tooltips on data screen -added start button reminder