upgrade to symfony 1.2

• installed symfony 1.2 to lib/vendor/symfony
• updated lib path and "$this->enableAllPluginsExcept('sfPropelPlugin');"  in config/ProjectConfiguration.class.php
• php symfony cc
• php symfony project:upgrade1.2
• php symfony doctrine:build-all-reload --force frontend -t
• php symfony doctrine:build-forms frontend
• replaced apps/frontend/config/factoried.yml
• replaced apps/frontend/config//settings.yml

todo: sfLoader:loadHelpers()