removed initializeContainer() function from kernel
removed initializeContainer() function from kernel

Currently the bundle depends a lot on kernel.debug parameter.

tautrimas/ElasticsearchBundle,saimaz/ElasticsearchBundle,martiis/ElasticsearchBundle,saimaz/ElasticsearchBundle,murnieza/ElasticsearchBundle,asev/ElasticsearchBundle,martiis/ElasticsearchBundle,murnieza/ElasticsearchBundle,trandangtri/ElasticsearchBundle,trandangtri/ElasticsearchBundle,tautrimas/ElasticsearchBundle,ongr-io/ElasticsearchBundle,asev/ElasticsearchBundle