PHP Mode for Emacs Code

Release candidate for 1.4.0. Update copyright.
Update version number.

Final draft of new PHP mode manual for release with version 1.4.0.

ChangeLog for PHP mode for release candidate version 1.4, and historical changelog back to 0.8.

Repo: Add 'Date' and 'Revision' keywords to php-mode.texi

Make commit for SourceForge user blokely.
(php-mode-modified): Fix when library
is compiled by wrapping in eval-when-compile.

Fixes from Lennart Borgman on 2007-11-24.
(php-mode): Delete trailing whitespace. Fix
capitalization of t value for font-lock-defaults.
(php-constants): Delete trailing whitespace.

Imported fdl.texi from http://www.gnu.org/licenses/fdl.html

(php-mode): Delete use of php-conditional-key, as
reported by Diego 'Flameeyes' Pettenò.

Update modification date.

Patch from Lennart Borgman, the nXhtml maintainer, on 2007-11-23.
Fix typo in changelog "versoin". Put occurences of
`php-mode' in quotes when in an Emacs Lisp documentation string.
(php-mode-hook): Add period to doc string.