removed display_indexes.lib.php. added tbl_display.lib.php and extracted methods from tbl_indexes.php to tbl_indexes.lib.php
Merge pull request #663 from scnakandala/refac_tbl_indexes

Refactoring tbl_indexes.php
Translated using Weblate (Simplified Chinese)

Currently translated at 95.1% (2587 of 2720)
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of https://github.com/phpmyadmin/phpmyadmin into error_reporting
Fixed testcases that test the script class
Fixed call to undefined function due to function renaming