fix: less loose permissions, less +x

Closes coop-cloud/organising#283.

cli/cli.go

@@ -83,7 +83,7 @@ func newAbraApp(version, commit string) *cli.App {
 		}
 
 		for _, path := range paths {
-			if err := os.Mkdir(path, 0755); err != nil {
+			if err := os.Mkdir(path, 0644); err != nil {
 				if !os.IsExist(err) {
 					logrus.Fatal(err)
 				}