migrated update script to PDO database class, refs #1287

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
migrated preconfig to PDO database class, refs #1287

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
removed unused htpasswd-htaccess-remover script; removed non-existing language-string-indeces from langfile

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
add missing language strings to german language file

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
remove  parameter from FroxorLogger class and migrated it to PDO database class, refs #1287

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
Migrated index to PDO database class, refs #1287