moved Import by LOAD DATA settings to CSV category

moved PMA_array_* functions to core.lib.php
moved PMA_read_userprefs_fieldnames() to user_preferences.lib.php
server/database/table filename templates are saved to pmadb when "remember template" is checked

libraries/config/setup.forms.php

@@ -200,13 +200,14 @@ $forms['Import']['Sql'] = array('Import' => array(
     'sql_compatibility',
     'sql_no_auto_value_on_zero'));
 $forms['Import']['Csv'] = array('Import' => array(
+    ':group:' . __('CSV'),
     'csv_replace',
     'csv_ignore',
     'csv_terminated',
     'csv_enclosed',
     'csv_escaped',
-    'csv_col_names'));
-$forms['Import']['Ldi'] = array('Import' => array(
+    'csv_col_names',
+    ':group:' . __('CSV using LOAD DATA'),
     'ldi_replace',
     'ldi_ignore',
     'ldi_terminated',