Fixes for overlay issues

Hi Harald
Manage to get it closer, tried to fix issues with table size and filter button valign

Image overlays the Backbone app on top of SAPUI5, almost pixel perfect, within one

![ui5_backbone_overlay](https://f.cloud.github.com/assets/837243/736793/0b390770-e322-11e2-958d-8a2f5898fc07.png)

Cheers
John P