Fixing missing table aliases when using Many2Many persister.
Merge Oracle test fixes to 2.4 branch
Merge origin/2.4 into local branch
DO NOT OVERRIDE CUSTOM TREE WALKERS IN getIterator()
Merge branch 'DDC-2640' into 2.4
Fix for entity generator discriminator column
Merge branch 'DDC-2638' into 2.4
New Build process

- Switch from Phing to Ant
- Remove PEAR packaging
- Add Composer archiving
Fix branch alias
Adjust composer.json to pending 2.4 stable release
Remove minimum stability from 2.4 composer.json
Travis should prefer dist.
Release 2.4.0
Bump version to 2.4.1
More excludes
[DDC-2661] Fix bug in YamlDriver not passing options from id to mapField()
Merge branch 'DDC-2661' into 2.4
[DDC-2660] Fix error with NativeSQL, ResultSetMappingBuilder and Associations as Primary Key.
Merge branch 'DDC-2660' into 2.4
[DDC-2608][DDC-2662] Fix SequenceGenerator requiring "sequenceName" and now throw exception. Fix a bug in quoting the sequenceName.