Vendor update && Started using DoctrineMigrations

vendor/doctrine/orm/UPGRADE_TO_ALPHA4

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+# Upgrade from 2.0-ALPHA3 to 2.0-ALPHA4
+
+## CLI Controller changes
+
+CLI main object changed its name and namespace. Renamed from Doctrine\ORM\Tools\Cli to Doctrine\Common\Cli\CliController.
+Doctrine\Common\Cli\CliController now only deals with namespaces. Ready to go, Core, Dbal and Orm are available and you can subscribe new tasks by retrieving the namespace and including new task. Example:
+
+    [php]
+    $cli->getNamespace('Core')->addTask('my-example', '\MyProject\Tools\Cli\Tasks\MyExampleTask');
+
+
+## CLI Tasks documentation
+
+Tasks have implemented a new way to build documentation. Although it is still possible to define the help manually by extending the basicHelp and extendedHelp, they are now optional.
+With new required method AbstractTask::buildDocumentation, its implementation defines the TaskDocumentation instance (accessible through AbstractTask::getDocumentation()), basicHelp and extendedHelp are now not necessary to be implemented.
+
+## Changes in Method Signatures
+
+    * A bunch of Methods on both Doctrine\DBAL\Platforms\AbstractPlatform and Doctrine\DBAL\Schema\AbstractSchemaManager
+      have changed quite significantly by adopting the new Schema instance objects.
+
+## Renamed Methods
+
+    * Doctrine\ORM\AbstractQuery::setExpireResultCache() -> expireResultCache()
+    * Doctrine\ORM\Query::setExpireQueryCache() -> expireQueryCache()
+
+## SchemaTool Changes
+
+    * "doctrine schema-tool --drop" now always drops the complete database instead of
+    only those tables defined by the current database model. The previous method had
+    problems when foreign keys of orphaned tables pointed to tables that were schedulded
+    for deletion.
+    * Use "doctrine schema-tool --update" to get a save incremental update for your
+    database schema without deleting any unused tables, sequences or foreign keys.
+    * Use "doctrine schema-tool --complete-update" to do a full incremental update of
+    your schema.