Add functions to handling migration from legacy OONI Probe

Gopkg.lock

@@ -28,15 +28,55 @@
   packages = ["."]
   revision = "cc83f3b3ce5911279513a46d6d3316d67bedaa54"
 
+[[projects]]
+  name = "github.com/mattn/go-colorable"
+  packages = ["."]
+  revision = "167de6bfdfba052fa6b2d3664c8f5272e23c9072"
+  version = "v0.0.9"
+
+[[projects]]
+  name = "github.com/mattn/go-isatty"
+  packages = ["."]
+  revision = "0360b2af4f38e8d38c7fce2a9f4e702702d73a39"
+  version = "v0.0.3"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/mgutz/ansi"
+  packages = ["."]
+  revision = "9520e82c474b0a04dd04f8a40959027271bab992"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/mitchellh/go-homedir"
+  packages = ["."]
+  revision = "b8bc1bf767474819792c23f32d8286a45736f1c6"
+
 [[projects]]
   name = "github.com/pkg/errors"
   packages = ["."]
   revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
   version = "v0.8.0"
 
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/sys"
+  packages = ["unix"]
+  revision = "37707fdb30a5b38865cfb95e5aab41707daec7fd"
+
+[[projects]]
+  name = "gopkg.in/AlecAivazis/survey.v1"
+  packages = [
+    ".",
+    "core",
+    "terminal"
+  ]
+  revision = "0aa8b6a162b391fe2d95648b7677d1d6ac2090a6"
+  version = "v1.4.1"
+
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "4ed0a29997f4d8f197233e4ba7aa66ed7033443a893a795ed2b4a9a5ec4350bd"
+  inputs-digest = "8ca4591e7aeb614acd312b2f95a425fe4def8100bbfc56f9c9147ae8e8b3575a"
   solver-name = "gps-cdcl"
   solver-version = 1