re-enable submit button after username change failure
re-enable submit button after username change failure

htve/GitlabForChinese,axilleas/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,htve/GitlabForChinese,LUMC/gitlabhq,darkrasid/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,axilleas/gitlabhq,dplarson/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,dplarson/gitlabhq,openwide-java/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,dreampet/gitlab,dreampet/gitlab,darkrasid/gitlabhq,t-zuehlsdorff/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,LUMC/gitlabhq,htve/GitlabForChinese,htve/GitlabForChinese,jirutka/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,dplarson/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,openwide-java/gitlabhq,dplarson/gitlabhq,darkrasid/gitlabhq,openwide-java/gitlabhq,mmkassem/gitlabhq