Save the log text when quitting the log activity
Save the log text when quitting the log activity

This improvement was suggested in issue #508.

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