fix date issue with mySQL only
fix date issue with mySQL only

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