Remove the word middleware (#1067)

* Rename middleware to plugin

first pass; mostly used 'sed', few spots where I manually changed
text.

This still builds a coredns binary.

* fmt error

* Rename AddMiddleware to AddPlugin

* Readd AddMiddleware to remain backwards compat

1 files changed, 0 insertions, 44 deletions

diff --git a/middleware/tls/tls_test.go b/middleware/tls/tls_test.go
deleted file mode 100644
index 2374d772c..000000000
--- a/middleware/tls/tls_test.go
+++ /dev/null
@@ -1,44 +0,0 @@
-package tls
-
-import (
-	"io/ioutil"
-	"log"
-	"strings"
-	"testing"
-
-	"github.com/mholt/caddy"
-)
-
-func TestTLS(t *testing.T) {
-	log.SetOutput(ioutil.Discard)
-
-	tests := []struct {
-		input              string
-		shouldErr          bool
-		expectedRoot       string // expected root, set to the controller. Empty for negative cases.
-		expectedErrContent string // substring from the expected error. Empty for positive cases.
-	}{
-	// positive
-	// negative
-	}
-
-	for i, test := range tests {
-		c := caddy.NewTestController("dns", test.input)
-		err := setup(c)
-		//cfg := dnsserver.GetConfig(c)
-
-		if test.shouldErr && err == nil {
-			t.Errorf("Test %d: Expected error but found %s for input %s", i, err, test.input)
-		}
-
-		if err != nil {
-			if !test.shouldErr {
-				t.Errorf("Test %d: Expected no error but found one for input %s. Error was: %v", i, test.input, err)
-			}
-
-			if !strings.Contains(err.Error(), test.expectedErrContent) {
-				t.Errorf("Test %d: Expected error to contain: %v, found error: %v, input: %s", i, test.expectedErrContent, err, test.input)
-			}
-		}
-	}
-}