Refer to module by suitable file name (mod_*.c).
Test for mod_authz_core.c (instead of mod_authz_host.c) to properly
detect Apache 2.4 and avoid false positive for Apache 2.2.

Now plugins can create their own command line interfaces. They are
executed through a single entry point in bin/plugin.php

It has few more features (like turning down verbosity) and looks nicer

* results can be sorted by wanted or origin
* second dimension can be skipped
* results should be easier to parse with standard unix tools now
* use proper otpions, not commands

many PHPDocs
some unused variables
some dynamically declared variables declared

Makes use of the extension plugin

Fix violations for Generic.PHP.LowerCaseConstant.Found

Change indentation to ensure code confirms to CodeSniffer rules.

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

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

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.

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

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