Update IhmCommunicationThread.cpp

Envoie valeurs décimales au HUB pour DATA_DEGREEC, DATA_DEGREEF, DATA_PERCENT, DATA_HUMIDITY
Update IhmCommunicationThread.cpp

more precision on humidity conversion
Update IhmCommunicationThread.cpp
Reactivate data sending to HUB
	modified:   src/IhmCommunicationThread.cpp
Multi POST to HUB from a frame with multi values
	modified:   src/IhmCommunicationThread.cpp
Merge pull request #2 from Krelyx/master

Reactivate data sending to HUB / Value from type reconversion/ multi post