heroku deployment:
* changed to postgres
* postgresql changes
* correct database credentials
* composer json
* apache2 procfile
* composer: php 5.3
* acos/aros tables
* reverted php 5.3
* fixed compose
* disable strict mode php.ini
* php.ini
* disable error log
* reverted to apache
* removed caches
* upgrade to cakephp 1.3.20