vendor: update all dependencies except Azure SDK

The Azure SDK doesn't support Go 1.5 anymore. We can't upgrade it until
Go 1.8 comes out.

vendor/gopkg.in/check.v1/checkers.go

@@ -212,7 +212,7 @@ type hasLenChecker struct {
 
 // The HasLen checker verifies that the obtained value has the
 // provided length. In many cases this is superior to using Equals
-// in conjuction with the len function because in case the check
+// in conjunction with the len function because in case the check
 // fails the value itself will be printed, instead of its length,
 // providing more details for figuring the problem.
 //