Run gofmt on all existing code

Also:

* Add check to .travis.yml that verifies that all code is gofmt-compliant
* Touch up some newlines

See #351

.travis.yml

@@ -17,6 +17,7 @@ matrix:
 
 script:
   - go install ./...
+  - diff -u <(echo -n) <(gofmt -d .)
   - go test -v ./...
 
 after_success:

flags_test.go

@@ -62,5 +62,4 @@ func TestBindFlagValue(t *testing.T) {
 	flag.Changed = true //hack for pflag usage
 
 	assert.Equal(t, "testing_mutate", Get("testvalue"))
-
 }

remote/remote.go

@@ -40,6 +40,7 @@ func (rc remoteConfigProvider) Watch(rp viper.RemoteProvider) (io.Reader, error)
 
 	return bytes.NewReader(resp), nil
 }
+
 func (rc remoteConfigProvider) WatchChannel(rp viper.RemoteProvider) (<-chan *viper.RemoteResponse, chan bool) {
 	cm, err := getConfigManager(rp)
 	if err != nil {
@@ -68,12 +69,9 @@ func (rc remoteConfigProvider) WatchChannel(rp viper.RemoteProvider) (<-chan *vi
 	}(cryptoResponseCh, viperResponsCh, quitwc, quit)
 
 	return viperResponsCh, quitwc
-
 }
 
-
 func getConfigManager(rp viper.RemoteProvider) (crypt.ConfigManager, error) {
-
 	var cm crypt.ConfigManager
 	var err error
 
@@ -99,7 +97,6 @@ func getConfigManager(rp viper.RemoteProvider) (crypt.ConfigManager, error) {
 		return nil, err
 	}
 	return cm, nil
-
 }
 
 func init() {

util_test.go

@@ -16,7 +16,6 @@ import (
 )
 
 func TestCopyAndInsensitiviseMap(t *testing.T) {
-
 	var (
 		given = map[string]interface{}{
 			"Foo": 32,

viper.go

@@ -1546,7 +1546,6 @@ func (v *Viper) searchInPath(in string) (filename string) {
 // Search all configPaths for any config file.
 // Returns the first path that exists (and is a config file).
 func (v *Viper) findConfigFile() (string, error) {
-
 	jww.INFO.Println("Searching for config in ", v.configPaths)
 
 	for _, cp := range v.configPaths {