fix display of sensor values

since the validation was spread all over IHM, i centralized how the value should be display in the model.
Merge branch 'master' of https://github.com/appsgate2015/appsgate
Added schedule program button
all on/off button fix
Merge branch 'master' of https://github.com/appsgate2015/appsgate into YeastLab-traceManager
fix #270

Add support on the language/device to express "lors que la temperature change"
Merge branch 'master' of https://github.com/appsgate2015/appsgate
issue #144 : Ajout valeur d'échelle dans editor/reader

Il faut ajouter les champs minValue/maxValue dans le js du device avec
le scale
the mail is added to the program
Fixed #144 : Disabling </> for scale comparator
reference to innexistant variable blocked the IHM to be loaded correctly in raspberry
Merge branch 'master' of https://github.com/appsgate2015/appsgate
Merge branch 'master' of https://github.com/appsgate2015/appsgate
Merge branch 'master' of https://github.com/appsgate2015/appsgate
Mail improvements
Adjusted default scheduled event name + opening calendar
Fixing mail issue
Fix illumination non-available info
fix style for illumination
Merge branch 'master' of https://github.com/appsgate2015/appsgate