Avoid render edit_form when visitor can't edit them.
Avoid render edit_form when visitor can't edit them.

Reverted #9820, github/task_list need a form, textarea for update.

koreamic/gitlabhq,ksoichiro/gitlabhq,louahola/gitlabhq,htve/GitlabForChinese,larryli/gitlabhq,mr-dxdy/gitlabhq,t-zuehlsdorff/gitlabhq,dplarson/gitlabhq,ttasanen/gitlabhq,louahola/gitlabhq,openwide-java/gitlabhq,openwide-java/gitlabhq,dplarson/gitlabhq,mmkassem/gitlabhq,darkrasid/gitlabhq,icedwater/gitlabhq,iiet/iiet-git,screenpages/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,axilleas/gitlabhq,SVArago/gitlabhq,icedwater/gitlabhq,duduribeiro/gitlabhq,ttasanen/gitlabhq,yatish27/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,martijnvermaat/gitlabhq,mmkassem/gitlabhq,louahola/gitlabhq,koreamic/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,cui-liqiang/gitlab-ce,ksoichiro/gitlabhq,t-zuehlsdorff/gitlabhq,shinexiao/gitlabhq,htve/GitlabForChinese,mrb/gitlabhq,ferdinandrosario/gitlabhq,daiyu/gitlab-zh,dreampet/gitlab,ksoichiro/gitlabhq,axilleas/gitlabhq,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq,cui-liqiang/gitlab-ce,shinexiao/gitlabhq,yatish27/gitlabhq,screenpages/gitlabhq,Soullivaneuh/gitlabhq,iiet/iiet-git,jrjang/gitlabhq,ikappas/gitlabhq,jirutka/gitlabhq,shinexiao/gitlabhq,LUMC/gitlabhq,allysonbarros/gitlabhq,dplarson/gitlabhq,darkrasid/gitlabhq,SVArago/gitlabhq,ferdinandrosario/gitlabhq,cui-liqiang/gitlab-ce,jrjang/gitlabhq,iiet/iiet-git,ttasanen/gitlabhq,jrjang/gitlab-ce,dreampet/gitlab,mrb/gitlabhq,daiyu/gitlab-zh,ferdinandrosario/gitlabhq,mrb/gitlabhq,daiyu/gitlab-zh,icedwater/gitlabhq,darkrasid/gitlabhq,dwrensha/gitlabhq,duduribeiro/gitlabhq,jrjang/gitlab-ce,yatish27/gitlabhq,mr-dxdy/gitlabhq,mr-dxdy/gitlabhq,ferdinandrosario/gitlabhq,dreampet/gitlab,koreamic/gitlabhq,larryli/gitlabhq,screenpages/gitlabhq,jrjang/gitlabhq,Soullivaneuh/gitlabhq,axilleas/gitlabhq,shinexiao/gitlabhq,ikappas/gitlabhq,dwrensha/gitlabhq,Datacom/gitlabhq,allysonbarros/gitlabhq,cui-liqiang/gitlab-ce,t-zuehlsdorff/gitlabhq,Soullivaneuh/gitlabhq,stoplightio/gitlabhq,martijnvermaat/gitlabhq,dwrensha/gitlabhq,jrjang/gitlab-ce,allysonbarros/gitlabhq,jirutka/gitlabhq,martijnvermaat/gitlabhq,openwide-java/gitlabhq,Datacom/gitlabhq,Datacom/gitlabhq,koreamic/gitlabhq,stoplightio/gitlabhq,screenpages/gitlabhq,dwrensha/gitlabhq,larryli/gitlabhq,ksoichiro/gitlabhq,htve/GitlabForChinese,Datacom/gitlabhq,ttasanen/gitlabhq,larryli/gitlabhq,SVArago/gitlabhq,stoplightio/gitlabhq,ikappas/gitlabhq,darkrasid/gitlabhq,ikappas/gitlabhq,louahola/gitlabhq,jirutka/gitlabhq,martijnvermaat/gitlabhq,LUMC/gitlabhq,htve/GitlabForChinese,mr-dxdy/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,dreampet/gitlab,SVArago/gitlabhq,Soullivaneuh/gitlabhq,daiyu/gitlab-zh,yatish27/gitlabhq,LUMC/gitlabhq,jrjang/gitlabhq,jrjang/gitlab-ce,duduribeiro/gitlabhq,icedwater/gitlabhq,duduribeiro/gitlabhq,mrb/gitlabhq