Added forgotten alarm level color notification in popup menu and menubar sensors
Added alarm level notifications also in graphs window
discover ATA SMART sensors in main thread
Minor fixes
Minor fixes
Various optimizations and fixes for SMART sensors detection and readings
Other minor fixes for drives mount/unmount detection and related sensor values updates
Merge branch 'develop'

* develop:
  Other minor fixes for drives mount/unmount detection and related sensor values updates
  Various optimizations and fixes for SMART sensors detection and readings
  Minor fixes
  Minor fixes
  discover ATA SMART sensors in main thread
  Added alarm level notifications also in graphs window
  Added forgotten alarm level color notification in popup menu and menubar sensors