Fix CodeSniffer violations for PHP files

Fix violations for Generic.PHP.LowerCaseConstant.Found

Fix CodeSniffer violations

Change indentation to ensure code confirms to CodeSniffer rules.

fixed line endings

Remove superfluous requires and variables from bin/indexer.php

Add clear function to the indexer that deletes the whole index

Made striplangs.php executable

Made it easier to use, and consistent with the others bin/*php scripts

replaced use of basename() with utf8_basename() FS#2015

Adding a \n to striplangs' help

Making it more aesthetic, and consistent with the others bin/*php scripts

Properly clean up the whole index in bin/indexer.php

There were some index files that haven't been cleaned up, now also the
files of the metadata index are cleaned/removed when a clean is
requested.

Add a force option to idx_addPage()

Adjust bin/indexer.php for the new indexer

Now the indexer is directly called instead of duplicating a large part
of the indexer code.

Indexer v3 Rewrite part two, update uses of indexer

use forward slashes as path separator in striplangs.php

Added striplangs.php script, with which you can strip out unused languages out of DW to make it smaller (eg. FTP upload)

Remove enc=utf-8 in VIM modeline as it is not allowed in VIM 7.3

As of VIM 7.3 it is no longer possible to specify the encoding in the
modeline. This gives an error message whenever such a file is o

Remove enc=utf-8 in VIM modeline as it is not allowed in VIM 7.3

As of VIM 7.3 it is no longer possible to specify the encoding in the
modeline. This gives an error message whenever such a file is opened,
thus this commit removes the enc setting from the modeline.

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Use a different indexer version when external tokenizer is enabled