Bump supported 1.7 version to 1.7.0
Bump supported 1.7 version to 1.7.0

benjaoming/wagtail,marctc/wagtail,rjsproxy/wagtail,mephizzle/wagtail,m-sanders/wagtail,chimeno/wagtail,nilnvoid/wagtail,WQuanfeng/wagtail,taedori81/wagtail,zerolab/wagtail,davecranwell/wagtail,gogobook/wagtail,Klaudit/wagtail,willcodefortea/wagtail,JoshBarr/wagtail,marctc/wagtail,rv816/wagtail,thenewguy/wagtail,kurtrwall/wagtail,gasman/wagtail,takeflight/wagtail,darith27/wagtail,hanpama/wagtail,rjsproxy/wagtail,kaedroho/wagtail,wagtail/wagtail,jnns/wagtail,chimeno/wagtail,taedori81/wagtail,darith27/wagtail,benjaoming/wagtail,jordij/wagtail,serzans/wagtail,taedori81/wagtail,inonit/wagtail,mayapurmedia/wagtail,kurtrwall/wagtail,jnns/wagtail,jorge-marques/wagtail,iansprice/wagtail,Pennebaker/wagtail,nimasmi/wagtail,kurtw/wagtail,quru/wagtail,m-sanders/wagtail,nilnvoid/wagtail,takeshineshiro/wagtail,zerolab/wagtail,bjesus/wagtail,kaedroho/wagtail,gasman/wagtail,rsalmaso/wagtail,timorieber/wagtail,nutztherookie/wagtail,chrxr/wagtail,torchbox/wagtail,nealtodd/wagtail,willcodefortea/wagtail,iansprice/wagtail,KimGlazebrook/wagtail-experiment,FlipperPA/wagtail,serzans/wagtail,kurtw/wagtail,rsalmaso/wagtail,gogobook/wagtail,Pennebaker/wagtail,mayapurmedia/wagtail,mikedingjan/wagtail,kurtw/wagtail,chrxr/wagtail,rv816/wagtail,mikedingjan/wagtail,kurtw/wagtail,mjec/wagtail,nutztherookie/wagtail,serzans/wagtail,hamsterbacke23/wagtail,thenewguy/wagtail,nrsimha/wagtail,nrsimha/wagtail,hamsterbacke23/wagtail,timorieber/wagtail,takeflight/wagtail,wagtail/wagtail,davecranwell/wagtail,dresiu/wagtail,dresiu/wagtail,darith27/wagtail,KimGlazebrook/wagtail-experiment,mjec/wagtail,WQuanfeng/wagtail,nealtodd/wagtail,Tivix/wagtail,mjec/wagtail,timorieber/wagtail,gasman/wagtail,hanpama/wagtail,bjesus/wagtail,jnns/wagtail,KimGlazebrook/wagtail-experiment,gogobook/wagtail,jordij/wagtail,benjaoming/wagtail,janusnic/wagtail,kaedroho/wagtail,jorge-marques/wagtail,nutztherookie/wagtail,nimasmi/wagtail,mixxorz/wagtail,hanpama/wagtail,stevenewey/wagtail,stevenewey/wagtail,thenewguy/wagtail,thenewguy/wagtail,iansprice/wagtail,janusnic/wagtail,janusnic/wagtail,Toshakins/wagtail,iho/wagtail,Pennebaker/wagtail,benemery/wagtail,iansprice/wagtail,jorge-marques/wagtail,nimasmi/wagtail,mayapurmedia/wagtail,nrsimha/wagtail,kaedroho/wagtail,takeshineshiro/wagtail,janusnic/wagtail,hanpama/wagtail,zerolab/wagtail,rsalmaso/wagtail,Toshakins/wagtail,Pennebaker/wagtail,rsalmaso/wagtail,WQuanfeng/wagtail,nutztherookie/wagtail,inonit/wagtail,rjsproxy/wagtail,gasman/wagtail,benjaoming/wagtail,chrxr/wagtail,serzans/wagtail,mephizzle/wagtail,willcodefortea/wagtail,tangentlabs/wagtail,jorge-marques/wagtail,m-sanders/wagtail,marctc/wagtail,gasman/wagtail,tangentlabs/wagtail,gogobook/wagtail,Toshakins/wagtail,zerolab/wagtail,JoshBarr/wagtail,FlipperPA/wagtail,Tivix/wagtail,wagtail/wagtail,mixxorz/wagtail,zerolab/wagtail,wagtail/wagtail,hamsterbacke23/wagtail,stevenewey/wagtail,timorieber/wagtail,marctc/wagtail,hamsterbacke23/wagtail,Klaudit/wagtail,dresiu/wagtail,dresiu/wagtail,thenewguy/wagtail,Klaudit/wagtail,KimGlazebrook/wagtail-experiment,mikedingjan/wagtail,nealtodd/wagtail,taedori81/wagtail,mixxorz/wagtail,benemery/wagtail,dresiu/wagtail,mephizzle/wagtail,mayapurmedia/wagtail,mixxorz/wagtail,takeshineshiro/wagtail,takeflight/wagtail,mixxorz/wagtail,rv816/wagtail,quru/wagtail,inonit/wagtail,stevenewey/wagtail,kurtrwall/wagtail,quru/wagtail,mephizzle/wagtail,nrsimha/wagtail,chimeno/wagtail,nimasmi/wagtail,JoshBarr/wagtail,bjesus/wagtail,nealtodd/wagtail,chimeno/wagtail,Tivix/wagtail,rv816/wagtail,takeshineshiro/wagtail,mjec/wagtail,bjesus/wagtail,jorge-marques/wagtail,Toshakins/wagtail,rjsproxy/wagtail,m-sanders/wagtail,takeflight/wagtail,torchbox/wagtail,iho/wagtail,FlipperPA/wagtail,Tivix/wagtail,wagtail/wagtail,nilnvoid/wagtail,torchbox/wagtail,quru/wagtail,tangentlabs/wagtail,nilnvoid/wagtail,tangentlabs/wagtail,FlipperPA/wagtail,iho/wagtail,chrxr/wagtail,benemery/wagtail,jnns/wagtail,davecranwell/wagtail,jordij/wagtail,kurtrwall/wagtail,rsalmaso/wagtail,darith27/wagtail,benemery/wagtail,chimeno/wagtail,Klaudit/wagtail,jordij/wagtail,inonit/wagtail,WQuanfeng/wagtail,willcodefortea/wagtail,davecranwell/wagtail,iho/wagtail,mikedingjan/wagtail,JoshBarr/wagtail,kaedroho/wagtail,torchbox/wagtail,taedori81/wagtail