Merge pull request #148 from BNoiZe/master

Migrated index to PDO database class, refs #1287
fix execute of statement if variables != replacers in sql-prepare query

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
fix typo in replacer-variable in customer-extras

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
FIxed an error 404