opentracing -> opencensus (#802)

* update vendor directory, add go.opencensus.io

* update imports

* oops

* s/opentracing/opencensus/ & remove prometheus / zipkin stuff & remove old stats

* the dep train rides again

* fix gin build

* deps from last guy

* start in on the agent metrics

* she builds

* remove tags for now, cardinality error is fussing. subscribe instead of register

* update to patched version of opencensus to proceed for now TODO switch to a release

* meh

fix imports

* println debug the bad boys

* lace it with the tags

* update deps again

* fix all inconsistent cardinality errors

* add our own logger

* fix init

* fix oom measure

* remove bugged removal code

* fix s3 measures

* fix prom handler nil

vendor/github.com/go-openapi/swag/loading.go

@@ -19,6 +19,7 @@ import (
 	"io/ioutil"
 	"log"
 	"net/http"
+	"net/url"
 	"path/filepath"
 	"strings"
 	"time"
@@ -43,7 +44,10 @@ func LoadStrategy(path string, local, remote func(string) ([]byte, error)) func(
 	if strings.HasPrefix(path, "http") {
 		return remote
 	}
-	return func(pth string) ([]byte, error) { return local(filepath.FromSlash(pth)) }
+	return func(pth string) ([]byte, error) {
+		upth, _ := url.PathUnescape(pth)
+		return local(filepath.FromSlash(upth))
+	}
 }
 
 func loadHTTPBytes(timeout time.Duration) func(path string) ([]byte, error) {