Adjust proguard settings
Adjust proguard settings

Two optimization passes are enough (3kB difference on the final
file) and take much less time. Also, reduce verbosity.

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