Merge pull request #12213 from sebomoto/add-loadfeedback

Add loadfeedback

diff --cc core/css/styles.css
Simple merge

diff --cc core/js/setup.js
Simple merge

diff --cc core/templates/installation.php
index 4e9cde205d833be2958d5418b13b353c993c38f8,c08cfa22cdebedcf0c05f3b3802682784c1add40..f8311fed0093b4e666188db5905b1f95d3c114e0
--- 1/core/templates/installation.php
--- 2/core/templates/installation.php
+++ b/core/templates/installation.php
@@@ -145,14 -146,11 +145,16 @@@ script('core', 
                </fieldset>
                <?php endif; ?>
        <?php endif; ?>
+       
+       <div class="icon-loading-dark float-spinner">&nbsp;</div>
  
        <?php if(!$_['dbIsSet'] OR count($_['errors']) > 0): ?>
 -      <p id="sqliteInformation" class="info"><?php p($l->t('SQLite will be used as database. For larger installations we recommend to change this.'));?></p>
 +              <fieldset id="sqliteInformation" class="warning">
 +                      <legend><?php p($l->t('Performance Warning'));?></legend>
 +                      <p><?php p($l->t('SQLite will be used as database.'));?></p>
 +                      <p><?php p($l->t('For larger installations we recommend to choose a different database backend.'));?></p>
 +                      <p><?php p($l->t('Especially when using the desktop client for file syncing the use of SQLite is discouraged.')); ?></p>
 +              </fieldset>
        <?php endif ?>
  
        <div class="buttons"><input type="submit" class="primary" value="<?php p($l->t( 'Finish setup' )); ?>" data-finishing="<?php p($l->t( 'Finishing …' )); ?>" /></div>