[TASK] Adapt changes introduced by deferred rendering
[FEATURE] Add page info ViewHelper

This viewhelper can be used to access any data of the current or a specified page record.
Merge pull request #194 from bjo3rnf/pageinfo

[FEATURE] Add page info ViewHelper
Merge pull request #195 from bjo3rnf/menufix

[TASK] Adapt changes introduced by deferred rendering