gnucash-htdocs beta: Revert "Use php's builtin gettext."

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-htdocs/commit/1eca1bd8 (commit)
	from  https://github.com/Gnucash/gnucash-htdocs/commit/50b1e864 (commit)



commit 1eca1bd80c3e274393b1f1feeab42ee26766fa72
Author: John Ralls <jralls at ceridwen.us>
Date:   Wed Aug 11 15:13:25 2021 -0700

    Revert "Use php's builtin gettext."
    
    This reverts commit 50b1e864c1d2b2f5be3321055b0ae417067f4408.
    Doesn't work on www.gnucash.org, gettext not installed?



Summary of changes:
 accept-to-gettext.inc | 184 +++++++++++++++++
 externals/gettext.inc | 534 ++++++++++++++++++++++++++++++++++++++++++++++++++
 externals/gettext.php | 421 +++++++++++++++++++++++++++++++++++++++
 lang.php              |   3 +
 4 files changed, 1142 insertions(+)
 create mode 100644 accept-to-gettext.inc
 create mode 100644 externals/gettext.inc
 create mode 100644 externals/gettext.php