vendor: update all dependencies to latest versions

vendor/github.com/Azure/go-autorest/glide.lock

@@ -1,42 +1,44 @@
-hash: 51202aefdfe9c4a992f96ab58f6cacf21cdbd1b66efe955c9030bca736ac816d
-updated: 2017-02-14T17:07:23.015382703-08:00
+hash: 6e0121d946623e7e609280b1b18627e1c8a767fdece54cb97c4447c1167cbc46
+updated: 2017-08-31T13:58:01.034822883+01:00
 imports:
 - name: github.com/dgrijalva/jwt-go
-  version: a601269ab70c205d26370c16f7c81e9017c14e04
+  version: 2268707a8f0843315e2004ee4f1d021dc08baedf
   subpackages:
   - .
+- name: github.com/dimchansky/utfbom
+  version: 6c6132ff69f0f6c088739067407b5d32c52e1d0f
+- name: github.com/mitchellh/go-homedir
+  version: b8bc1bf767474819792c23f32d8286a45736f1c6
 - name: golang.org/x/crypto
-  version: 453249f01cfeb54c3d549ddb75ff152ca243f9d8
+  version: 81e90905daefcd6fd217b62423c0908922eadb30
   repo: https://github.com/golang/crypto.git
   vcs: git
   subpackages:
   - pkcs12
   - pkcs12/internal/rc2
 - name: golang.org/x/net
-  version: 61557ac0112b576429a0df080e1c2cef5dfbb642
+  version: 66aacef3dd8a676686c7ae3716979581e8b03c47
   repo: https://github.com/golang/net.git
   vcs: git
   subpackages:
   - .
 - name: golang.org/x/text
-  version: 06d6eba81293389cafdff7fca90d75592194b2d9
+  version: 21e35d45962262c8ee80f6cb048dcf95ad0e9d79
   repo: https://github.com/golang/text.git
   vcs: git
   subpackages:
   - .
 testImports:
 - name: github.com/davecgh/go-spew
-  version: 346938d642f2ec3594ed81d874461961cd0faa76
+  version: 04cdfd42973bb9c8589fd6a731800cf222fde1a9
   subpackages:
   - spew
-- name: github.com/Masterminds/semver
-  version: 59c29afe1a994eacb71c833025ca7acf874bb1da
 - name: github.com/pmezard/go-difflib
-  version: 792786c7400a136282c1664665ae0a8db921c6c2
+  version: d8ed2627bdf02c080bf22230dbb337003b7aba2d
   subpackages:
   - difflib
 - name: github.com/stretchr/testify
-  version: 4d4bfba8f1d1027c4fdbe371823030df51419987
+  version: 890a5c3458b43e6104ff5da8dfa139d013d77544
   subpackages:
   - assert
   - require