Fix #3241 : Moved buttons from right to left  (#3412)
Fix #3241 : Moved buttons from right to left  (#3412)

* shifted buttons from right to left
* Swapped the position of text and image on save button
* swapped text and image on save button

* fixed the buttons

* adjusted position of image

mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots