New Provider: GANDI-LIVEDNS (API v5) (#320)

* Add gandi LiveDNS api provider
* vendor testify and gandi live DNS
* govendor update github.com/prasmussen/gandi-api/{client,live_dns}
* Fix Gandi-livedns TXT unit test
* TravisCI should use go 1.10

vendor/github.com/prasmussen/gandi-api/Gopkg.lock

@@ -0,0 +1,39 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "github.com/davecgh/go-spew"
+  packages = ["spew"]
+  revision = "346938d642f2ec3594ed81d874461961cd0faa76"
+  version = "v1.1.0"
+
+[[projects]]
+  name = "github.com/google/uuid"
+  packages = ["."]
+  revision = "064e2069ce9c359c118179501254f67d7d37ba24"
+  version = "0.2"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/kolo/xmlrpc"
+  packages = ["."]
+  revision = "0826b98aaa29c0766956cb40d45cf7482a597671"
+
+[[projects]]
+  name = "github.com/pmezard/go-difflib"
+  packages = ["difflib"]
+  revision = "792786c7400a136282c1664665ae0a8db921c6c2"
+  version = "v1.0.0"
+
+[[projects]]
+  name = "github.com/stretchr/testify"
+  packages = ["assert"]
+  revision = "69483b4bd14f5845b5a1e55bca19e954e827f1d0"
+  version = "v1.1.4"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "a94353bb3ede3fb7b1f2c11b16d7aeb2ace6148f128e03035eca1ac3bc8f4e56"
+  solver-name = "gps-cdcl"
+  solver-version = 1