PHP Mode for Emacs Code

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.

Tagging the BETA 1.4.0 release of php-mode

php-mode.texi -- PHP Mode Manual

ChangeLog for PHP mode since version 1.3.0

Update file header for 1.4 beta release. Release
under version 3 of the GNU GPL or later.

(php-mode-version): Rename php-mode-version-number.
(php-mode): Use setq rather than c-lang-defconst to support CC
Mode version 5.31 in Emacs 22.
(php-constants): "decomment" -> "uncomment".
(php-conditional-key): Delete constant.
(php-block-stmt-1-key, php-block-stmt-2-key): Generate from values
of php-block-stmt-1-kwds, php-block-stmt-2-kwds, respectively.