Merge pull request #42 from dakovka/master

fixes for ORM, Session and Authentication
[hmvc] fix config lazy loading
Merge remote-tracking branch 'upstream/master'
[cache] fix config loading
[config] fix ConfigCacheEngine config loading
[dbal] fix servers config loading
[i18n] fix traversable config
[orm] fix collections & metadata config loading
[system] fix phpdocs