#475596 follow-up by emmajane: Remove some over-the-top politeness from installer messages.

install.php

@@ -710,7 +710,7 @@ function install_verify_requirements(&$install_state) {
     if ($install_state['interactive']) {
       drupal_set_title(st('Requirements problem'));
       $status_report = theme('status_report', $requirements);
-      $status_report .= st('Please check the error messages and <a href="!url">try again</a>.', array('!url' => request_uri()));
+      $status_report .= st('Check the error messages and <a href="!url">proceed with the installation</a>.', array('!url' => request_uri()));
       return $status_report;
     }
     else {
@@ -1354,7 +1354,7 @@ function install_configure_form(&$form_state, &$install_state) {
   $settings_dir = './' . conf_path();
   $settings_file = $settings_dir . '/settings.php';
   if (!drupal_verify_install_file($settings_file, FILE_EXIST|FILE_READABLE|FILE_NOT_WRITABLE) || !drupal_verify_install_file($settings_dir, FILE_NOT_WRITABLE, 'dir')) {
-    drupal_set_message(st('All necessary changes to %dir and %file have been made, so you should remove write permissions to them now in order to avoid security risks. If you are unsure how to do so, please consult the <a href="@handbook_url">online handbook</a>.', array('%dir' => $settings_dir, '%file' => $settings_file, '@handbook_url' => 'http://drupal.org/server-permissions')), 'error');
+    drupal_set_message(st('All necessary changes to %dir and %file have been made, so you should remove write permissions to them now in order to avoid security risks. If you are unsure how to do so, consult the <a href="@handbook_url">online handbook</a>.', array('%dir' => $settings_dir, '%file' => $settings_file, '@handbook_url' => 'http://drupal.org/server-permissions')), 'error');
   }
   else {
     drupal_set_message(st('All necessary changes to %dir and %file have been made. They have been set to read-only for security.', array('%dir' => $settings_dir, '%file' => $settings_file)));
@@ -1418,9 +1418,9 @@ function install_finished(&$install_state) {
   drupal_set_title(st('@drupal installation complete', array('@drupal' => drupal_install_profile_name())));
   $messages = drupal_set_message();
   $output = '<p>' . st('Congratulations, @drupal has been successfully installed.', array('@drupal' => drupal_install_profile_name())) . '</p>';
-  $output .= '<p>' . (isset($messages['error']) ? st('Please review the messages above before continuing on to <a href="@url">your new site</a>.', array('@url' => url(''))) : st('You may now visit <a href="@url">your new site</a>.', array('@url' => url('')))) . '</p>';
+  $output .= '<p>' . (isset($messages['error']) ? st('Review the messages above before continuing on to <a href="@url">your new site</a>.', array('@url' => url(''))) : st('You may now visit <a href="@url">your new site</a>.', array('@url' => url('')))) . '</p>';
   if (module_exists('help')) {
-    $output .= '<p>' . st('For more information on configuring Drupal, please refer to the <a href="@help">help section</a>.', array('@help' => url('admin/help'))) . '</p>';
+    $output .= '<p>' . st('For more information on configuring Drupal, refer to the <a href="@help">help section</a>.', array('@help' => url('admin/help'))) . '</p>';
   }
 
   // Rebuild menu and registry to get content type links registered by the
@@ -1515,7 +1515,7 @@ function install_check_requirements($install_state) {
           'title'       => st('Settings file'),
           'value'       => st('The settings file is not writable.'),
           'severity'    => REQUIREMENT_ERROR,
-          'description' => st('The @drupal installer requires write permissions to %file during the installation process. If you are unsure how to grant file permissions, please consult the <a href="@handbook_url">online handbook</a>.', array('@drupal' => drupal_install_profile_name(), '%file' => $file, '@handbook_url' => 'http://drupal.org/server-permissions')),
+          'description' => st('The @drupal installer requires write permissions to %file during the installation process. If you are unsure how to grant file permissions, consult the <a href="@handbook_url">online handbook</a>.', array('@drupal' => drupal_install_profile_name(), '%file' => $file, '@handbook_url' => 'http://drupal.org/server-permissions')),
         );
       }
       else {