update categories

Signed-off-by: Joshua Rubin <jrubin@zvelo.com>

.gitignore

@@ -1 +1,2 @@
 /.coverage-all.out
+/vendor/

Gopkg.toml

@@ -1,27 +1,41 @@
+[prune]
+  unused-packages = true
+  non-go = true
+  go-tests = true
+
+  [[prune.project]]
+    name = "github.com/grpc-ecosystem/grpc-gateway"
+    unused-packages = false
+    non-go = false
+
 [[constraint]]
   name = "github.com/gogo/protobuf"
-  version = "0.5.0"
+  version = "1.0.0"
+
+[[constraint]]
+  name = "github.com/golang/protobuf"
+  version = "1.0.0"
 
 [[constraint]]
   name = "github.com/grpc-ecosystem/grpc-gateway"
   version = "1.3.1"
 
 [[constraint]]
-  name = "github.com/pkg/errors"
-  version = "0.8.0"
+  name = "github.com/magefile/mage"
+  version = "2.0.1"
 
 [[constraint]]
-  name = "google.golang.org/grpc"
-  version = "1.9.2"
+  name = "github.com/pkg/errors"
+  version = "0.8.0"
 
 [[constraint]]
   name = "github.com/segmentio/ksuid"
   version = "1.0.1"
 
 [[constraint]]
-  name = "zvelo.io/zmage"
-  version = "3.0.0"
+  name = "google.golang.org/grpc"
+  version = "1.9.2"
 
 [[constraint]]
-  name = "github.com/magefile/mage"
-  version = "2.0.1"
+  name = "zvelo.io/zmage"
+  version = "3.0.1"