Move color-logic into HipchatService#HipchatService
Move color-logic into HipchatService#HipchatService

Signed-off-by: Rémy Coutable <4ea0184b9df19e0786dd00b28e6daa4d26baeb3e@rymai.me>

darkrasid/gitlabhq,allysonbarros/gitlabhq,shinexiao/gitlabhq,LUMC/gitlabhq,htve/GitlabForChinese,SVArago/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,daiyu/gitlab-zh,mmkassem/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,openwide-java/gitlabhq,icedwater/gitlabhq,t-zuehlsdorff/gitlabhq,daiyu/gitlab-zh,dreampet/gitlab,dreampet/gitlab,screenpages/gitlabhq,mr-dxdy/gitlabhq,LUMC/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,axilleas/gitlabhq,allysonbarros/gitlabhq,SVArago/gitlabhq,dplarson/gitlabhq,mr-dxdy/gitlabhq,daiyu/gitlab-zh,htve/GitlabForChinese,jirutka/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,dreampet/gitlab,LUMC/gitlabhq,mmkassem/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,dplarson/gitlabhq,shinexiao/gitlabhq,stoplightio/gitlabhq,icedwater/gitlabhq,openwide-java/gitlabhq,SVArago/gitlabhq,mr-dxdy/gitlabhq,darkrasid/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,daiyu/gitlab-zh,htve/GitlabForChinese,darkrasid/gitlabhq,mr-dxdy/gitlabhq,htve/GitlabForChinese,icedwater/gitlabhq,screenpages/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,shinexiao/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,shinexiao/gitlabhq,dreampet/gitlab,icedwater/gitlabhq,dplarson/gitlabhq,darkrasid/gitlabhq,screenpages/gitlabhq,SVArago/gitlabhq