Remove BOM from project.json, *.cmd, *.sh and *.shade files.

build.cmd

@@ -1,4 +1,4 @@
-@echo off
+@echo off
 cd %~dp0
 
 SETLOCAL

build.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash
 
 if test `uname` = Darwin; then
     cachedir=~/Library/Caches/KBuild

samples/SessionSample/project.json

@@ -1,4 +1,4 @@
-{
+{
     "webroot": "wwwroot",
     "exclude": "wwwroot/**/*.*",
     "dependencies": {

src/Microsoft.AspNet.Session/project.json

@@ -1,4 +1,4 @@
-{
+{
     "version": "1.0.0-*",
     "description": "ASP.NET 5 session state middleware.",
     "dependencies": {

test/Microsoft.AspNet.Session.Tests/project.json

@@ -1,4 +1,4 @@
-{
+{
   "dependencies": {
     "Microsoft.AspNet.Session": "1.0.0-*",
     "Microsoft.AspNet.RequestContainer": "1.0.0-*",