Fix composer autoload declaration
Change autoload PSR-0 to PSR-4
added QueryLogger and readme file
added unit tests for QueryLogger, 100% coverage
added @see annotation to class
php 5.3 test compatibility
Merge pull request #171 from digitronac/feature/Phalcon_Db_Profiler_QueryLogger

Phalcon\Db\Profiler\QueryLogger + tests
Merge pull request #165 from ogarbe/1.3.0

Change PSR-0 autoloading to PSR-4
Merge branch 'feature/Phalcon_Db_Profiler_QueryLogger' into 1.3.0
Merge branch '1.3.0' of github.com:phalcon/incubator into 1.3.0