------------------
* Feature: Extend eea.cache invalidation form with PDF option in order to be
able to manually invalidate latest generated PDF within Cache tab
[voineali refs 21630]
* Change: cover images are enhanced if eea.depiction is installed
by using the image named image within the folder instead of
needing to add the image to the coverImage field
[ichim-david refs 21637]
* Feature: added coverImage field to folderish content which allows
you to set custom images for the cover page
[ichimd-david refs 21637]
* Change: Refactoring default themes: page for simple items and
book for collections and folderish items
[avoinea]
* Bug fix: Fix letter spacing within headers
[avoinea]
* Feature: Update documentation
[avoinea]