Merge pull request #296 from interstroom/master

Dutch translations + translations for "filter.label_parent"
[travis] add missing sphinx test
Update SQL indexes creation command 

AFAK, route_alias became page_alias.

cf. 'Page' model definition, [commit b1521d71](https://github.com/sonata-project/SonataPageBundle/commit/b1521d71113edad44a08aa66e2be62948bed9921)
Merge pull request #299 from ronanguilloux/patch-1

Update SQL indexes creation command
Allow user to add custom block containers to the BlockAdmin
Merge pull request #300 from Bladrak/customizeBlockContainers

Allow user to add custom block containers to the BlockAdmin
fix base path for javascripts and stylesheets
SONATA-477 - Added POST Page API controller
Fixed tests
Merge pull request #301 from sylvaindeloux/master

SONATA-477 - Added POST Page API controller
Added POST Block API controller
Merge pull request #302 from sylvaindeloux/master

Added POST Block API controller
Updated parameter name
Merge pull request #303 from Bladrak/updatedContainer

Updated ContainerBlockService to take template list as parameter
Fixed typos
Merge pull request #304 from pborreli/typos

Fixed typos
Refactor and add missing units tests for page & blocks APIs
Merge pull request #306 from eko/api

Refactor and add missing units tests for page & blocks APIs
Add pages snapshots generation
Merge pull request #307 from eko/api

Add pages snapshots generation