make Translator more forgiving; if message key does not exist, return it as-is
typo
fix phpdoc @return types
@return tag should not be used for constructors

http://en.wikipedia.org/wiki/PHPDoc
add missing property
fix missing $this->
Merge pull request #17 from koriym/phpdoc

Fix phpdoc and typos
standardize config file
prepare for wiring tests
add wiring test