removed display_indexes.lib.php. added tbl_display.lib.php and extracted methods from tbl_indexes.php to tbl_indexes.lib.php
bug #4046 Exporting huge Tables causes memory-Problems
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Merge remote-tracking branch 'origin/QA_4_0' into QA_4_0
UTs for PMA_server_databases and PMA_server_privileges
the defined constant has been defined on common files
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Merge branch 'MAINT_4_0_6' into QA_4_0
Fix merge conflicts
Merge commit 'e231569'
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Merge remote-tracking branch 'origin/master'
Merge pull request #661 from xmujay/UT_for_severprivileges_serverdatabases

UTs for PMA_server_databases and PMA_server_privileges
Merge pull request #663 from scnakandala/refac_tbl_indexes

Refactoring tbl_indexes.php
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Merge remote-tracking branch 'origin/master'