Setup Travis CI for testing

* Adds Tracis configuration
* Fixes broken tests
* Adds a space after \n in println commands due to newer versions
  of Go complaining about \n to end a println call

.travis.yml

@@ -0,0 +1,11 @@
+language: go
+
+go:
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - tip
+
+script:
+  - go test ./...

go_test.go

@@ -13,7 +13,10 @@ func TestGoVersion(t *testing.T) {
 
 	acceptable := []string{
 		"devel", "go1.0", "go1.1", "go1.2", "go1.3", "go1.4.2", "go1.5",
-		"go1.5.1",
+		"go1.5.1", "go1.5.2", "go1.5.3", "go1.5.4", "go1.6", "go1.6.1",
+		"go1.6.2", "go1.6.3", "go1.6.4", "go1.7", "go1.7.1", "go1.7.2",
+		"go1.7.3", "go1.7.4", "go1.7.5", "go1.8", "go1.8.1", "go1.8.2",
+		"go1.8.3", "go1.8.4", "go1.8.5", "go1.9", "go1.9.1", "go1.9.2",
 	}
 	found := false
 	for _, expected := range acceptable {

platform_test.go

@@ -30,7 +30,7 @@ func TestSupportedPlatforms(t *testing.T) {
 
 	// Unknown
 	ps = SupportedPlatforms("foo")
-	if !reflect.DeepEqual(ps, Platforms_1_4) {
+	if !reflect.DeepEqual(ps, Platforms_1_5) {
 		t.Fatalf("bad: %#v", ps)
 	}
 }

toolchain.go

@@ -3,13 +3,14 @@ package main
 import (
 	"bytes"
 	"fmt"
-	"github.com/mitchellh/iochan"
 	"io"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"runtime"
 	"sync"
+
+	"github.com/mitchellh/iochan"
 )
 
 // The "main" method for when the toolchain build is requested.
@@ -48,7 +49,7 @@ func mainBuildToolchain(parallel int, platformFlag PlatformFlag, verbose bool) i
 
 	if verbose {
 		fmt.Println("Verbose mode enabled. Output from building each toolchain will be")
-		fmt.Println("outputted to stdout as they are built.\n")
+		fmt.Println("outputted to stdout as they are built.\n ")
 	}
 
 	// Determine the platforms we're building the toolchain for.
@@ -58,7 +59,7 @@ func mainBuildToolchain(parallel int, platformFlag PlatformFlag, verbose bool) i
 	if parallel > 1 {
 		fmt.Println("The toolchain build can't be parallelized because compiling a single")
 		fmt.Println("Go source directory can only be done for one platform at a time. Therefore,")
-		fmt.Println("the toolchain for each platform will be built one at a time.\n")
+		fmt.Println("the toolchain for each platform will be built one at a time.\n ")
 	}
 	parallel = 1