Update upstream dependencies

diff --git a/src/github.com/dustin/go-humanize b/src/github.com/dustin/go-humanize
index bb3d318650d48840a39aa21a027c6630e198e626..02af3965c54e8cacf948b97fef38925c4120652c 160000 (submodule)
--- a/src/github.com/dustin/go-humanize
+++ b/src/github.com/dustin/go-humanize
@@ -1 +1 @@
-Subproject commit bb3d318650d48840a39aa21a027c6630e198e626
+Subproject commit 02af3965c54e8cacf948b97fef38925c4120652c

diff --git a/src/github.com/flynn/noise b/src/github.com/flynn/noise
index 01638cb52dafe42224b938fb517721f984c03100..2492fe189ae688d7edbeae0fd575de2f1c5fec8e 160000 (submodule)
--- a/src/github.com/flynn/noise
+++ b/src/github.com/flynn/noise
@@ -1 +1 @@
-Subproject commit 01638cb52dafe42224b938fb517721f984c03100
+Subproject commit 2492fe189ae688d7edbeae0fd575de2f1c5fec8e

diff --git a/src/github.com/gorhill/cronexpr b/src/github.com/gorhill/cronexpr
index d520615e531a6bf3fb69406b9eba718261285ec8..88b0669f7d75f171bd612b874e52b95c190218df 160000 (submodule)
--- a/src/github.com/gorhill/cronexpr
+++ b/src/github.com/gorhill/cronexpr
@@ -1 +1 @@
-Subproject commit d520615e531a6bf3fb69406b9eba718261285ec8
+Subproject commit 88b0669f7d75f171bd612b874e52b95c190218df

diff --git a/src/golang.org/x/crypto b/src/golang.org/x/crypto
index 650f4a345ab4e5b245a3034b110ebc7299e68186..ab813273cd59e1333f7ae7bff5d027d4aadf528c 160000 (submodule)
--- a/src/golang.org/x/crypto
+++ b/src/golang.org/x/crypto
@@ -1 +1 @@
-Subproject commit 650f4a345ab4e5b245a3034b110ebc7299e68186
+Subproject commit ab813273cd59e1333f7ae7bff5d027d4aadf528c

diff --git a/src/golang.org/x/net b/src/golang.org/x/net
index 136a25c244d3019482a795d728110278d6ba09a4..dfa909b99c79129e1100513e5cd36307665e5723 160000 (submodule)
--- a/src/golang.org/x/net
+++ b/src/golang.org/x/net
@@ -1 +1 @@
-Subproject commit 136a25c244d3019482a795d728110278d6ba09a4
+Subproject commit dfa909b99c79129e1100513e5cd36307665e5723

diff --git a/src/golang.org/x/sys b/src/golang.org/x/sys
index 37707fdb30a5b38865cfb95e5aab41707daec7fd..c11f84a56e43e20a78cee75a7c034031ecf57d1f 160000 (submodule)
--- a/src/golang.org/x/sys
+++ b/src/golang.org/x/sys
@@ -1 +1 @@
-Subproject commit 37707fdb30a5b38865cfb95e5aab41707daec7fd
+Subproject commit c11f84a56e43e20a78cee75a7c034031ecf57d1f

diff --git a/src/gopkg.in/yaml.v2 b/src/gopkg.in/yaml.v2
index 7f97868eec74b32b0982dd158a51a446d1da7eb5..5420a8b6744d3b0345ab293f6fcba19c978f1183 160000 (submodule)
--- a/src/gopkg.in/yaml.v2
+++ b/src/gopkg.in/yaml.v2
@@ -1 +1 @@
-Subproject commit 7f97868eec74b32b0982dd158a51a446d1da7eb5
+Subproject commit 5420a8b6744d3b0345ab293f6fcba19c978f1183