Merge pull request #1008 from sensorario/master

Convert configuration to short syntax
Merge pull request #1010 from KingYes/master

Convert to short syntax (array)
Convert to short syntax (array)
Merge pull request #1 from yiisoft/master

Sync..
Updated docs, composer.json and other things to mention and use PHP 5.4
Convert to short syntax [2].
Merge pull request #1012 from KingYes/master

 	Convert to short syntax [2].
Fixed merge