OC_Image::_output() - throw exception instead of falling back to png
OC_Image::_output() - throw exception instead of falling back to png

pmattern/server,jbicha/server,cernbox/core,jbicha/server,cernbox/core,sharidas/core,cernbox/core,pixelipo/server,lrytz/core,Ardinis/server,xx621998xx/server,bluelml/core,jbicha/server,pixelipo/server,michaelletzgus/nextcloud-server,endsguy/server,pollopolea/core,endsguy/server,lrytz/core,cernbox/core,Ardinis/server,jbicha/server,pmattern/server,whitekiba/server,IljaN/core,andreas-p/nextcloud-server,pmattern/server,bluelml/core,jbicha/server,pollopolea/core,michaelletzgus/nextcloud-server,xx621998xx/server,lrytz/core,bluelml/core,sharidas/core,sharidas/core,pollopolea/core,andreas-p/nextcloud-server,IljaN/core,andreas-p/nextcloud-server,Ardinis/server,pollopolea/core,nextcloud/server,xx621998xx/server,endsguy/server,bluelml/core,nextcloud/server,xx621998xx/server,pmattern/server,lrytz/core,andreas-p/nextcloud-server,sharidas/core,Ardinis/server,whitekiba/server,owncloud/core,owncloud/core,nextcloud/server,bluelml/core,pmattern/server,pixelipo/server,owncloud/core,IljaN/core,Ardinis/server,xx621998xx/server,endsguy/server,michaelletzgus/nextcloud-server,pollopolea/core,owncloud/core,michaelletzgus/nextcloud-server,endsguy/server,IljaN/core,whitekiba/server,pixelipo/server,whitekiba/server,IljaN/core,lrytz/core,nextcloud/server,sharidas/core,phil-davis/core,whitekiba/server,andreas-p/nextcloud-server,cernbox/core,pixelipo/server,owncloud/core