rework legal stuff to make goreleaser happy

Author: nickg

README.md

@@ -364,7 +364,7 @@ can check your code using [golint](https://github.com/golang/lint)
 The main code is [MIT](https://github.com/client9/misspell/blob/master/LICENSE).
 
 Misspell also makes uses of the Golang standard library and contains a modified version of Golang's [strings.Replacer](https://golang.org/pkg/strings/#Replacer)
-which are covered under a [BSD License](https://github.com/golang/go/blob/master/LICENSE).  Type `misspell -legal` for more details or see [legal.go](https://github.com/client9/misspell/blob/master/cmd/misspell/legal.go)
+which are covered under a [BSD License](https://github.com/golang/go/blob/master/LICENSE).  Type `misspell -legal` for more details or see [legal.go](https://github.com/client9/misspell/blob/master/legal.go)
 
 <a name="words"></a>
 ### Where do the word lists come from?

cmd/misspell/main.go

@@ -120,7 +120,7 @@ func main() {
 		return
 	}
 	if *showLegal {
-		fmt.Println(legal)
+		fmt.Println(misspell.Legal)
 		return
 	}
 	if *debugFlag {

cmd/misspell/legal.go renamed to legal.go

@@ -1,6 +1,7 @@
-package main
+package misspell
 
-const legal = `
+// Legal provides licensing info.
+const Legal = `
 Execept where noted below, the source code for misspell is
 copyright Nick Galbreath and distribution is allowed under a
 MIT license.  See the following for details: