* Update the page footer content and styles

- Restyle to increase font size a bit and improve the hyperlink styles

* Remove the "Page Generated" info from the footer

* Open the version link in another tab

* Update core/src/main/resources/lib/layout/layout.jelly

* Remove arrow icons from footer hyperlinks and version letter

* Improves footer styles to account for the insertion point contributions

* Remove unused svg sprite

* Restores the page timestamp on the page footer
Co-authored-by: NTim Jacomb <t.jacomb@kainos.com>