Make code more PHP 5.2 friendly, fallback to PDO if SQLite3 not there, adds first pass at a Filecache, a=chris

Author	Chris Pollett <chris@pollett.org>
Author date	2011-08-03 07:Aug:rd
Author local date	2011-08-03 00:Aug:rd -0700
Committer	Chris Pollett <chris@pollett.org>
Committer date	2011-08-03 07:Aug:rd
Committer local date	2011-08-03 00:Aug:rd -0700
Commit	87b6dd4f019657e8920e86037262895d744ff20c
Tree	3cc934788b3a1301f6792a1cf8b88537b191a4a0
Parent	89a798818b2bbafbab45199ebadfc6c80676f9ea

Make code more PHP 5.2 friendly, fallback to PDO if SQLite3 not there, adds first pass at a Filecache, a=chris

Affected files:
configs/config.php
controllers/admin_controller.php
controllers/search_controller.php
index.php
lib/phrase_parser.php
lib/web_archive_bundle.php
locale/ar/configure.ini
locale/de/configure.ini
locale/en-US/configure.ini
locale/en-US/statistics.txt
locale/es/configure.ini
locale/fr-FR/configure.ini
locale/he/configure.ini
locale/in-ID/configure.ini
locale/it/configure.ini
locale/ja/configure.ini
locale/ko/configure.ini
locale/pl/configure.ini
locale/pt/configure.ini
locale/ru/configure.ini
locale/th/configure.ini
locale/vi-VN/configure.ini
locale/zh-CN/configure.ini
models/datasources/sqlite3_manager.php
models/phrase_model.php
models/profile_model.php
views/elements/configure_element.php