Add extra requirement info for Kubuntu build
Update README
Update version
Add OSD notification to display current temperature
Fix bug: color temperature not resetted when the plasmoid in manual mode is removed
Fix notation °K -> K
Add german translation
Add OSD for manual mode
Merge branch 'osd' into dev
Update TODO
Simplified OSDWidget pointer, add destructor
Polish CMakeList.txt files
Merge branch 'osd' into dev
Fix warnings
Fix KCFG translation context entries