Update traefik dependencies (docker/docker and related) (#1823)

Update traefik dependencies (docker/docker and related)

- Update dependencies
- Fix compilation problems
- Remove vdemeester/docker-events (in docker api now)
- Remove `integration/vendor`
- Use `testImport`
- update some deps.
- regenerate the lock from scratch (after a `glide cc`)

vendor/github.com/google/go-github/github/activity_events.go

@@ -46,10 +46,10 @@ func (e *Event) ParsePayload() (payload interface{}, err error) {
 		payload = &ForkEvent{}
 	case "GollumEvent":
 		payload = &GollumEvent{}
-	case "IntegrationInstallationEvent":
-		payload = &IntegrationInstallationEvent{}
-	case "IntegrationInstallationRepositoriesEvent":
-		payload = &IntegrationInstallationRepositoriesEvent{}
+	case "InstallationEvent":
+		payload = &InstallationEvent{}
+	case "InstallationRepositoriesEvent":
+		payload = &InstallationRepositoriesEvent{}
 	case "IssueCommentEvent":
 		payload = &IssueCommentEvent{}
 	case "IssuesEvent":
@@ -64,6 +64,8 @@ func (e *Event) ParsePayload() (payload interface{}, err error) {
 		payload = &MilestoneEvent{}
 	case "OrganizationEvent":
 		payload = &OrganizationEvent{}
+	case "OrgBlockEvent":
+		payload = &OrgBlockEvent{}
 	case "PageBuildEvent":
 		payload = &PageBuildEvent{}
 	case "PingEvent":
@@ -90,6 +92,8 @@ func (e *Event) ParsePayload() (payload interface{}, err error) {
 		payload = &RepositoryEvent{}
 	case "StatusEvent":
 		payload = &StatusEvent{}
+	case "TeamEvent":
+		payload = &TeamEvent{}
 	case "TeamAddEvent":
 		payload = &TeamAddEvent{}
 	case "WatchEvent":