* Formatting
* renaming
* fixed some issues of cppcheck
* new icons
* smooth scrolling in views, stretching for few columns
* fixed start timer in updatetimer
* background colors of some LEDs
* renamed fromQVariant to convertFromQVariant, the "from" methods imply the object is changed (fromJson, fromString ..)
* implemented fromQVariant - changing the object by QVariant
* moved toQVariant into PQ template
* free function setFromQVariant