Unchange username_validator.
Unchange username_validator.

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