Fix #1114 HttpUtils getGitblitURL does not support nonstandard ports
Fix #1114 HttpUtils getGitblitURL does not support nonstandard ports

X-Forwarded-Host can contain port number and it is added twice in that situation
This fix just prevent adding port number if it is already there

gitblit/gitblit,fuero/gitblit,mystygage/gitblit,mystygage/gitblit,fuero/gitblit,gitblit/gitblit,gitblit/gitblit,fzs/gitblit,gitblit/gitblit,fzs/gitblit,mystygage/gitblit,fuero/gitblit,fuero/gitblit,gitblit/gitblit,fzs/gitblit,fzs/gitblit,mystygage/gitblit,mystygage/gitblit,fzs/gitblit,fuero/gitblit