use the current menu item feature to highlight blog overview as current if the blog post has no menu entry
adjust to changes in menu PR
adjust config to not depend on content_identity voter being loaded by menu bundle
Merge remote-tracking branch 'origin/master' into current-menu-item
adjust to RoutingExtra rename and cmf_request_aware tag
Merge remote-tracking branch 'origin/master' into current-menu-item
adjust to symfony_cmf to cmf renaming
Merge pull request #19 from symfony-cmf/current-menu-item

current menu item support