Add Page service management
Update page service definition to provide class names as parameters
Catch native exception
Merge remote-tracking branch 'oparadis/page_service'

Conflicts:
	Listener/RequestListener.php
Tweak page type for internal page
Remove unneeded abstract method implementation
Merge pull request #142 from oparadis/fix_abstract

Bugfix: Remove unneeded abstract method implementation
Merge pull request #141 from sepetrov/fix_sonata_page_block_children_pages

Fix sonata page block children pages
Fix validation issue with Page::setUrl
Merge remote-tracking branch 'github/master'

Conflicts:
	Listener/ExceptionListener.php
Merge pull request #140 from pokap/master

Catch native exception
Fixed overwrite title
Merge pull request #143 from edwines/seo

Fixed overwrite title
Merge branch 'master' of git://github.com/sonata-project/SonataPageBundle