upgrade go chassis (#51)

go.mod

@@ -1,16 +1,13 @@
 module github.com/go-chassis/go-archaius
 
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/go-chassis/go-cc-client v0.0.0-20181109091810-e4f730e7ed13
-	github.com/go-chassis/go-chassis v1.0.2-0.20181108080311-6e96c66de2a1
-	github.com/go-mesh/openlogging v0.0.0-20180912071658-0fd4707a75ab
+	github.com/go-chassis/go-chassis v1.2.2
+	github.com/go-mesh/openlogging v0.0.0-20181122085847-3daf3ad8ed35
 	github.com/gorilla/websocket v1.4.0
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/cast v1.2.0
 	github.com/stretchr/testify v1.2.2
-	golang.org/x/sys v0.0.0-20180824143301-4910a1d54f87 // indirect
 	gopkg.in/yaml.v2 v2.2.1
 )