Change permission from 0755 to 0644 (#2536)

* chmod -x assets.rb

* chmod -x assets/fonts

* raname extname from jpeg to jpg

app/assets/stylesheets/basics.scss

@@ -1,6 +1,6 @@
 body {
   font-family: 'Roboto', sans-serif;
-  background: $color1 image-url('background-photo.jpeg');
+  background: $color1 image-url('background-photo.jpg');
   background-size: cover;
   background-attachment: fixed;
   font-size: 13px;