fixes #3930 - missing register for context menu added
fixes #3930 - missing register for context menu added

xiaoyanit/cgeo,matej116/cgeo,superspindel/cgeo,madankb/cgeo,cgeo/cgeo,mucek4/cgeo,S-Bartfast/cgeo,schwabe/cgeo,auricgoldfinger/cgeo,ThibaultR/cgeo,pstorch/cgeo,vishwakulkarni/cgeo,vishwakulkarni/cgeo,auricgoldfinger/cgeo,lewurm/cgeo,yummy222/cgeo,rsudev/c-geo-opensource,cgeo/cgeo,rsudev/c-geo-opensource,Huertix/cgeo,S-Bartfast/cgeo,samueltardieu/cgeo,schwabe/cgeo,yummy222/cgeo,Bananeweizen/cgeo,xiaoyanit/cgeo,cgeo/cgeo,tobiasge/cgeo,tobiasge/cgeo,Huertix/cgeo,lewurm/cgeo,SammysHP/cgeo,pstorch/cgeo,yummy222/cgeo,lewurm/cgeo,samueltardieu/cgeo,matej116/cgeo,tobiasge/cgeo,kumy/cgeo,KublaikhanGeek/cgeo,kumy/cgeo,schwabe/cgeo,samueltardieu/cgeo,SammysHP/cgeo,Bananeweizen/cgeo,KublaikhanGeek/cgeo,brok85/cgeo,schwabe/cgeo,mucek4/cgeo,rsudev/c-geo-opensource,KublaikhanGeek/cgeo,S-Bartfast/cgeo,brok85/cgeo,vishwakulkarni/cgeo,madankb/cgeo,auricgoldfinger/cgeo,kumy/cgeo,Huertix/cgeo,marco-dev/c-geo-opensource,cgeo/cgeo,SammysHP/cgeo,ThibaultR/cgeo,ThibaultR/cgeo,matej116/cgeo,superspindel/cgeo,superspindel/cgeo,marco-dev/c-geo-opensource,xiaoyanit/cgeo,madankb/cgeo,marco-dev/c-geo-opensource,pstorch/cgeo,Bananeweizen/cgeo,mucek4/cgeo,brok85/cgeo