Add proportion in default config.py
Add proportion in default config.py

scorphus/thumbor,gi11es/thumbor,gi11es/thumbor,okor/thumbor,gi11es/thumbor,okor/thumbor,kkopachev/thumbor,scorphus/thumbor,marcelometal/thumbor,scorphus/thumbor,thumbor/thumbor,thumbor/thumbor,voxmedia/thumbor,voxmedia/thumbor,marcelometal/thumbor,voxmedia/thumbor,kkopachev/thumbor,okor/thumbor,kkopachev/thumbor,thumbor/thumbor,scorphus/thumbor,marcelometal/thumbor,thumbor/thumbor,kkopachev/thumbor