#483 Checkbox for writing to config.php.

[Paresh]

For normal day to day running, config.php is not
writable, but you need to make it writable before any
config changes are applied.

This involves 3 steps
1. the use of an ftp program to make it writeable.
2. PGV to make your changes.
3. the ftp program again to make it non-writeable.

It would make life easier if PGV did this automatically
as part of the save process. ie pressing the save
would do all three steps. there could also be a check
box next to the save button that the user has to click
before the changes are written.

[KosherJava]

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user_id=634811

Something to keep in mind is that PHP usually runs under
reduced privileges such as the "nobody" user. Under this
typical setup, PHP has no ability to make the file writable.