Add SDPX licence identifier to source files. https://spdx.org/licenses/

Author: aldas

casbin/casbin.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 /* Package casbin provides middleware to enable ACL, RBAC, ABAC authorization support.
 
 Simple example:

casbin/casbin_test.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package casbin
 
 import (

echo.go

@@ -1 +1,4 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package echo

echoprometheus/prometheus.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 /*
 Package echoprometheus provides middleware to add Prometheus metrics.
 */

echoprometheus/prometheus_test.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package echoprometheus
 
 import (

jaegertracing/jaegertracing.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 /*
 Package jaegertracing provides middleware to Opentracing using Jaeger.
 

jaegertracing/jaegertracing_test.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package jaegertracing
 
 import (

jaegertracing/response_dumper.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package jaegertracing
 
 import (

pprof/pprof.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package pprof
 
 import (

pprof/pprof_test.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: © 2017 LabStack and Echo contributors
+
 package pprof
 
 import (