Pipeline0.1版本流水线中对接私有gitlab后，添加流水线时无法显示仓库

Pipeline0.1版本流水线中对接私有gitlab后，添加流水线时无法显示仓库,  pipeline-pipeline-server-1 有以下错误日志：   2:35192.168.1.122 - - "GET /v1/schemas/scmsetting?sort=name HTTP/1.1" 200 814 2018/1/3 下午5:32:35192.168.1.122 - - "GET /v1/gitaccounts/gitlab:root/repos HTTP/1.1" 200 412 2018/1/3 下午5:32:35192.168.1.122 - - "GET /v1/scmsettings?limit=-1&sort=name HTTP/1.1" 200 774 2018/1/3 下午5:32:382018/01/03 09:32:38 http: panic serving 10.42.0.1:55942: runtime error: invalid memory address or nil pointer dereference 2018/1/3 下午5:32:38goroutine 285 : 2018/1/3 下午5:32:38net/http.(*conn).serve.func1(0xc4202181e0) 2018/1/3 下午5:32:38 /usr/local/go/src/net/http/server.go:1721 +0xd0 2018/1/3 下午5:32:38panic(0x9d1e60, 0xf0cb90) 2018/1/3 下午5:32:38 /usr/local/go/src/runtime/panic.go:489 +0x2cf 2018/1/3 下午5:32:38github.com/rancher/pipeline/scm.GitlabManager.toGitRepo(0xc4201caed0, 0xd, 0xc4201caef0, 0x7, 0xc4201fae00, 0x2, 0x2, 0x2, 0x0, 0xc4200f9500) 2018/1/3 下午5:32:38 /go/src/github.com/rancher/pipeline/scm/gitlab_manager.go:162 +0x1a9 2018/1/3 下午5:32:38github.com/rancher/pipeline/scm.GitlabManager.getGitlabRepos(0xc4201caed0, 0xd, 0xc4201caef0, 0x7, 0xc4202bf380, 0x40, 0x0, 0x0, 0x0, 0x0, ...) 2018/1/3 下午5:32:38 /go/src/github.com/rancher/pipeline/scm/gitlab_manager.go:151 +0x73f 2018/1/3 下午5:32:38github.com/rancher/pipeline/scm.GitlabManager.GetRepos(0xc4201caed0, 0xd, 0xc4201caef0, 0x7, 0xc420098180, 0xc4203f2180, 0xf25600, 0xc420358a80, 0x0, 0xc4203f2180) 2018/1/3 下午5:32:38 /go/src/github.com/rancher/pipeline/scm/gitlab_manager.go:63 +0x79 2018/1/3 下午5:32:38github.com/rancher/pipeline/scm.(*GitlabManager).GetRepos(0xc420358a80, 0xc420098180, 0xf25600, 0xc420358a80, 0x0, 0x0, 0x980c20) 2018/1/3 下午5:32:38 :14 +0x72 2018/1/3 下午5:32:38github.com/rancher/pipeline/server/service.RefreshRepos(0xc42032c6d5, 0xb, 0xa7d72f, 0x2, 0xc4203f1a68, 0xc42031b7a0, 0x4d73be) 2018/1/3 下午5:32:38 /go/src/github.com/rancher/pipeline/server/service/account_service.go:27 +0x9d 2018/1/3 下午5:32:38github.com/rancher/pipeline/server.(*Server).RefreshRep