Fix bug: file name is now saved correctly.

OfficeJS/component/elrte.html

@@ -54,7 +54,7 @@ $().ready(function() {
              placeholder="File name here" /> 
       <button type="submit"
               class="btn btn-primary"
-              onclick="OfficeJS.save($('#input_fileName').attr('value'));">
+              onclick="OfficeJS.save($('#input_file_name').attr('value'));">
         <i class="icon-download-alt icon-white"></i>
         Save
       </button>&nbsp;

OfficeJS/component/jquery-sheet.html

@@ -213,7 +213,7 @@ function goToObj(s){
              placeholder="File name here" /> 
       <button type="submit"
               class="btn btn-primary"
-              onclick="OfficeJS.save($('#input_fileName').attr('value'));">
+              onclick="OfficeJS.save($('#input_file_name').attr('value'));">
         <i class="icon-download-alt icon-white"></i>
         Save
       </button>&nbsp;

OfficeJS/component/svg-edit.html

@@ -6,7 +6,7 @@
          placeholder="File name here" /> 
   <button type="submit"
           class="btn btn-primary"
-          onclick="OfficeJS.save($('#input_fileName').attr('value'));">
+          onclick="OfficeJS.save($('#input_file_name').attr('value'));">
     <i class="icon-download-alt icon-white"></i>
     Save
   </button>&nbsp;