Added a case for DataSet/Persistors/MysqlXml to DataSet/Persistors/Factory
Update dependency information for PHP_Timer
Merge pull request #83 from elazar/fix/mysqlxml-persistor

Added a case for DataSet/Persistors/MysqlXml to DataSet/Persistors/Facto...
PHPUnit takes care of loading Symfony Yaml
Merge branch '1.2'
Fixes #82

 * Updated composer to allow for dev packages as the master branch requires PHPUnit >= 3.8.0.
Simplify travis.
Merge pull request #86 from whatthejeff/issue_82

Fixes #82
Merge pull request #87 from whatthejeff/travis_improvements

Simplify travis.
Fixed phpunit bin path for Travis