Merge #48: Web server: minor refactor of initTemplates

ee5a290 Travis: Make gosimple critical for gometalinter. (JeremyRand)
18a502d Web server: minor refactor of initTemplates. (JeremyRand)

Pull request description:

  Based on recommendations from "gosimple" static analysis.  ~Depends on https://github.com/namecoin/ncdns/pull/46 .~

Tree-SHA512: c0aaebac6d91b1c958223f4e4e49626bb1ed896409cc8fa7eef13abde0d44f89565e9460c254f842785f2bd1d590457123e2a7b670dc5faa82fe3a66c76d7d4e

.travis/script

@@ -30,7 +30,6 @@ gometalinter.v1 --enable-all \
 --disable=gocyclo \
 --disable=goimports \
 --disable=golint \
---disable=gosimple \
 --disable=ineffassign \
 --disable=lll \
 --disable=misspell \

server/web.go

@@ -32,11 +32,7 @@ func (s *Server) initTemplates() error {
 	}
 
 	lookupPageTpl, err = deriveTemplate(s.tplFilename("lookup"))
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return err
 }
 
 func deriveTemplate(filename string) (*template.Template, error) {