Add saved pixel rotation for JPG, PNG and TIFF v0.9.2

app/static/index.html

@@ -94,6 +94,7 @@
         <div id="viewer-content" class="viewer-content hidden">
           <div class="image-stage">
             <img id="photo-preview" alt="Current scanned photograph">
+            <div id="rotation-status" class="rotation-status hidden" role="status"></div>
           </div>
           <div class="viewer-tools">
             <div class="tool-group">
@@ -106,8 +107,8 @@
               <span id="current-filesize">—</span>
             </div>
             <div class="tool-group">
-              <button id="rotate-left" class="icon-button" title="Rotate preview left">↶</button>
-              <button id="rotate-right" class="icon-button" title="Rotate preview right">↷</button>
+              <button id="rotate-left" class="icon-button" title="Rotate left">↶</button>
+              <button id="rotate-right" class="icon-button" title="Rotate right">↷</button>
               <button id="reset-view" class="icon-button" title="Reset preview">⟳</button>
             </div>
           </div>