checkini.sh - Script for checking that ini files use PHP syntax

*Title: checkini.sh - Script for checking that ini files use PHP syntax.

*Description:

Ini files should end with .php, and have PHP syntax, meaning that the content
should be a comment within php tags, like this:

<?php  /* #?ini charset="iso-8859-1"?
[Part]
Setting=value
*/ ?>

The script does three basic checks for this. It is far from perfect, but will
report the most common errors:
- Files not ending with .php
- Files where the content does not have valid PHP syntax (checked with PHP -l)
- Files without <?php (probably means you forgot to add it)

First, it prints OK or Bad for every file, and at the end it prints a summary
of any errors.

*Documentation:

The script is based on bin/shell/phpcheck.sh, and uses the same options, except
the new --skip-dir.

Note: The strange separator in --skip-dir. This should be improved.

bin/shell/checkini.sh -h
Usage: bin/shell/checkini.sh [options]

Options: -h
         --help            This message
         --skip-dir=DIR    Do not check this directory. This is a regexp,
                           multiple directories separated by \\\|
         --exit-on-error   Exit on the first error
         --errors-only     Will only print bad files, other texts are ommited
         -q                Quiet, do not print anything

Example:
bin/shell/checkini.sh --skip-dir=share\\\|ezpaypal

*Authors:
Gunnstein Lye <[email protected]>