[1.6] added propel:diff task
Enhancement: filter embedded forms with criteria

It's now possible to filter embedded form with the 'criteria' option :

    $c = new Criteria ();
    $c->add (AffectationPeer::AN, 2010);
    $this->embedRelation ('Affectation', array ('criteria' => $c));
[1.5] Added propel:status task
[1.6] Added propel:status task
[1.6] Added propel:up task
[1.6] Added propel:down task, tweaked other migration tasks
[1.6] Added propel:migrate task
Added support for Master-Slave configuration in database.yml
Added documentation for Master-Slave configuration in databases.yml and changed the name of one variable for clarity in sfPropelDatabase.class.php
automatic sortable module (see http://trac.symfony-project.org/ticket/9024 )
Fixed wrong image path in CSS
[1.6] Added instructions for git installation
Added compatibility with soft_delete behavior to symfony_timestampable
behavior.
Merge branch 'master' of https://github.com/kupokomapa/sfPropel15Plugin into kupokomapa-master
Fixed typos in kupokomapas pull request
Merge branch 'embedded_form_criteria' of https://github.com/ArnaudD/sfPropel15Plugin into ArnaudD-embedded_form_criteria
Added more details on the ability to embed a relation form filtered by a criteria
Merge branch '1.6' of https://github.com/brunnels/sfPropel15Plugin into brunnels-1.6
tweaked brunnels pull request
tweaked brunnels pull request