fix reverse for image_usage
fix reverse for image_usage

change _ to :
kurtrwall/wagtail,gasman/wagtail,nilnvoid/wagtail,nilnvoid/wagtail,nilnvoid/wagtail,wagtail/wagtail,wagtail/wagtail,takeshineshiro/wagtail,kaedroho/wagtail,nealtodd/wagtail,gasman/wagtail,jnns/wagtail,chrxr/wagtail,quru/wagtail,rsalmaso/wagtail,mikedingjan/wagtail,JoshBarr/wagtail,mayapurmedia/wagtail,thenewguy/wagtail,gogobook/wagtail,hanpama/wagtail,nealtodd/wagtail,Tivix/wagtail,serzans/wagtail,Toshakins/wagtail,chrxr/wagtail,takeshineshiro/wagtail,nealtodd/wagtail,takeshineshiro/wagtail,kurtrwall/wagtail,takeflight/wagtail,timorieber/wagtail,mjec/wagtail,nutztherookie/wagtail,kurtw/wagtail,kurtw/wagtail,davecranwell/wagtail,wagtail/wagtail,Tivix/wagtail,gasman/wagtail,thenewguy/wagtail,rsalmaso/wagtail,mikedingjan/wagtail,rjsproxy/wagtail,mayapurmedia/wagtail,mjec/wagtail,mixxorz/wagtail,FlipperPA/wagtail,nilnvoid/wagtail,takeflight/wagtail,gasman/wagtail,inonit/wagtail,chrxr/wagtail,WQuanfeng/wagtail,gogobook/wagtail,nutztherookie/wagtail,chrxr/wagtail,inonit/wagtail,Pennebaker/wagtail,timorieber/wagtail,wagtail/wagtail,mjec/wagtail,nrsimha/wagtail,iansprice/wagtail,serzans/wagtail,iansprice/wagtail,rsalmaso/wagtail,hanpama/wagtail,tangentlabs/wagtail,nimasmi/wagtail,nimasmi/wagtail,rsalmaso/wagtail,mixxorz/wagtail,iansprice/wagtail,JoshBarr/wagtail,Tivix/wagtail,WQuanfeng/wagtail,thenewguy/wagtail,JoshBarr/wagtail,tangentlabs/wagtail,Klaudit/wagtail,WQuanfeng/wagtail,nutztherookie/wagtail,mixxorz/wagtail,kurtrwall/wagtail,kaedroho/wagtail,iansprice/wagtail,nrsimha/wagtail,kaedroho/wagtail,davecranwell/wagtail,jnns/wagtail,rjsproxy/wagtail,thenewguy/wagtail,mjec/wagtail,hamsterbacke23/wagtail,kurtw/wagtail,hanpama/wagtail,quru/wagtail,serzans/wagtail,jnns/wagtail,torchbox/wagtail,gasman/wagtail,Tivix/wagtail,tangentlabs/wagtail,kurtrwall/wagtail,FlipperPA/wagtail,mixxorz/wagtail,JoshBarr/wagtail,zerolab/wagtail,Klaudit/wagtail,hamsterbacke23/wagtail,nimasmi/wagtail,zerolab/wagtail,FlipperPA/wagtail,gogobook/wagtail,rjsproxy/wagtail,thenewguy/wagtail,hamsterbacke23/wagtail,Toshakins/wagtail,Pennebaker/wagtail,kaedroho/wagtail,davecranwell/wagtail,quru/wagtail,torchbox/wagtail,quru/wagtail,takeshineshiro/wagtail,timorieber/wagtail,nimasmi/wagtail,nealtodd/wagtail,nutztherookie/wagtail,mayapurmedia/wagtail,zerolab/wagtail,mixxorz/wagtail,mikedingjan/wagtail,Klaudit/wagtail,nrsimha/wagtail,hanpama/wagtail,rjsproxy/wagtail,Toshakins/wagtail,davecranwell/wagtail,Pennebaker/wagtail,FlipperPA/wagtail,WQuanfeng/wagtail,tangentlabs/wagtail,torchbox/wagtail,mayapurmedia/wagtail,hamsterbacke23/wagtail,jnns/wagtail,zerolab/wagtail,timorieber/wagtail,zerolab/wagtail,Toshakins/wagtail,mikedingjan/wagtail,kaedroho/wagtail,Klaudit/wagtail,inonit/wagtail,rsalmaso/wagtail,wagtail/wagtail,kurtw/wagtail,takeflight/wagtail,nrsimha/wagtail,inonit/wagtail,Pennebaker/wagtail,takeflight/wagtail,serzans/wagtail,gogobook/wagtail,torchbox/wagtail