Minor CHANGELOG.md cleanups
Minor CHANGELOG.md cleanups

[ci skip]

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