Fix documentation double sonata:easy-extends
Merge pull request #268 from eko/documentation

Fix documentation double sonata:easy-extends
Merge pull request #267 from eko/routegenerator

Add new RoutePageGenerator service
Fix cache documentation
Merge pull request #269 from eko/documentation

Fix cache documentation
Merge pull request #270 from eko/master

Fix PageAdmin update() method to handle extensions preUpdate and postUpd...
Make the AdminBundle optional
Refactor dead code
Fix menu generation using error page
Remove duplicated extensions code
Merge pull request #275 from eko/fix

Remove duplicated extensions code
Allow site enabledFrom and enabledTo values to also be null instead of requiring DateTime values only.
Update getting_started.rst

Better Markdown formatting for field description section under 'Creating a default site'.
Update getting_started.rst

Updated table format to use reStructuredText Markup.
Merge pull request #266 from SonyATV/sonyatv-2.3.x

Allow site enabledFrom and enabledTo dates to be null; Added site selector unit tests.
Added missing documentation about json Doctrine type
Merge pull request #277 from mremi/install-doc

Added missing documentation about json Doctrine type
Added serializer config
Fix namespace
Fix property name
Fix unit tests