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/docker/libcompose/logger/raw_logger.go

@@ -0,0 +1,48 @@
+package logger
+
+import (
+	"fmt"
+	"io"
+	"os"
+)
+
+// RawLogger is a logger.Logger and logger.Factory implementation that prints raw data with no formatting.
+type RawLogger struct {
+}
+
+// Out is a no-op function.
+func (r *RawLogger) Out(message []byte) {
+	fmt.Print(string(message))
+
+}
+
+// Err is a no-op function.
+func (r *RawLogger) Err(message []byte) {
+	fmt.Fprint(os.Stderr, string(message))
+
+}
+
+// CreateContainerLogger allows RawLogger to implement logger.Factory.
+func (r *RawLogger) CreateContainerLogger(_ string) Logger {
+	return &RawLogger{}
+}
+
+// CreateBuildLogger allows RawLogger to implement logger.Factory.
+func (r *RawLogger) CreateBuildLogger(_ string) Logger {
+	return &RawLogger{}
+}
+
+// CreatePullLogger allows RawLogger to implement logger.Factory.
+func (r *RawLogger) CreatePullLogger(_ string) Logger {
+	return &RawLogger{}
+}
+
+// OutWriter returns the base writer
+func (r *RawLogger) OutWriter() io.Writer {
+	return os.Stdout
+}
+
+// ErrWriter returns the base writer
+func (r *RawLogger) ErrWriter() io.Writer {
+	return os.Stderr
+}