http ui server: draft implementation
ignoring local db copy
arduino files
Merge branch 'master' of https://github.com/emanuele/21at7

# By Emanuele Olivetti
# Via Emanuele Olivetti
* 'master' of https://github.com/emanuele/21at7:
  increased data collection to provide more data to models
  fixed bug in normalization
  added missing pieces fixing some bugs
  added conversion from unicode string to np.datetime64 if needed
  fixed little nasty bugs
  enhanced demo now including preliminary example of HeatingOptimizedSchedule in action
  massive refactoring and simplification of dataset construction
  refactored data retrieval in a specific method
  added few more bits to the implementation of HeatingOptimizedSchedule. WIP.
  added test of vector creation
Merge branch 'master' of https://github.com/emanuele/21at7

# By Emanuele Olivetti
# Via Emanuele Olivetti
* 'master' of https://github.com/emanuele/21at7:
  added printout when (re)training
  increased loss in case of lower temperature than desired
  changed loss weights from descreasing to uniform
plt show
limit