upgrade to Elastica lib v. 1.1.1.1
add Namespaced Autoloader, fix autoloading of namespaced Elastica lib

Based on: https://github.com/kschroeder/magento-namespace-autoloader

Changed the observer from 'controller_front_init_before', to 'core_collection_abstract_load_before'; front_init_before does not work @ CLI scripts. See: http://stackoverflow.com/questions/6410410/whats-the-earliest-event-magento-dispatches