Add support for info/warnings in every json file loaded by ComposerRepo
Add support for info/warnings in every json file loaded by ComposerRepo

gencer/composer,slbmeh/composer,alcohol/composer,composer/composer,naderman/composer,floverdevel/composer,balbuf/composer,stefangr/composer,dzuelke/composer,vdm-io/composer,curry684/composer,johnstevenson/composer,andrerom/composer,fabiang/composer,milleruk/composer,localheinz/composer,erasys/composer,pierredup/composer,fabpot/composer,hirak/composer,nicolas-grekas/composer,remicollet/composer,SpacePossum/composer,staabm/composer,stof/composer