CouchDB namespace support

In the Doctrine CouchDB bundle, CouchDocument is the default mapping name. With this change, CouchDocument objects can have their base route generated automatically too.
Add full pt_BR translation
Fix WebPath in src image
Merge pull request #1839 from devlucas/master

Add full pt_BR translation
Merge pull request #1840 from iAndre89/patch-1

Fix WebPath in src image
Merge pull request #1838 from bangpound/patch-1

CouchDB namespace support
Fix CoreBundle dependency
Update travis file
fix tests for symfony2.2
Make tests work with symfony2.4
Merge branch 'sonata/master'

Conflicts:
	composer.json