Add gometalinter configuration file

.gometalinter.json

@@ -0,0 +1,11 @@
+{
+  "Disable": ["vetshadow"],
+  "Enable": [
+    "deadcode",
+    "gochecknoinits",
+    "gofmt",
+    "goimports",
+    "misspell",
+    "unparam"
+  ]
+}

rakefile.rb

@@ -42,15 +42,7 @@ task :format do
 end
 
 task :lint do
-  sh %w[gometalinter
+  sh 'gometalinter ./...'
-        --deadline 300s
-        --disable gocyclo
-        --disable gosec
-        --disable vetshadow
-        --enable gofmt
-        --enable goimports
-        --enable misspell
-        ./...].join ' '
   sh 'rubocop'
 end