Aligning release-2.3 translations with master.

languages/el.ini

@@ -361,9 +361,9 @@ Group = "Κατηγορία"
 group_AND = "Όλες οι ομάδες"
 group_OR = "Οποιαδήποτε ομάδα"
 Has Illustrations = "Ναι"
+Help = "Βοήθεια για την έρευνά μου"
 Help with Advanced Search = "Βοήθεια για τη σύνθετη αναζήτηση"
 Help with Search Operators = "Βοήθεια για τους τελεστές αναζήτησης"
-help_page_title = "Βοήθεια για την έρευνά μου"
 hierarchy_hide_tree = "Αναδίπλωση πλήρους κατάταξης"
 hierarchy_show_tree = "Ανάπτυξη πλήρους κατάταξης"
 hierarchy_tree = "Κατάταξη"

languages/en.ini

@@ -369,7 +369,6 @@ Help = "Help"
 Help with Advanced Search = "Help with Advanced Search"
 Help with Search Operators = "Help with Search Operators"
 help_page_missing = "The requested help page does not exist."
-help_page_title = Help
 hierarchy_hide_tree = "Hide Full Hierarchy"
 hierarchy_show_tree = "Show Full Hierarchy"
 hierarchy_tree = "Context"

themes/root/templates/help/home.phtml

 <?
-  $this->headTitle($this->translate('help_page_title'));
+  $this->headTitle($this->translate('Help'));
 
   try { // language missing
     echo $this->render($this->tpl_lang);