Clicking on author name triggers search
Fix post-install script and build: initial collections should be writable for wiki users.
Set correct permissions on feed collection. Disable menu entries if collection can not be edited.
Added template for group permissions.
Used tamboti's image service, added url processing for this service, and
changed url for inserting videos.
Changed parameter used for getting image.
Added processing of url for image and correct relative path to util.xql.
Added url processing for insertion of images.
Supplementary support for multiple groups permissions.
Merge branch 'master' of https://github.com/claudius108/AtomicWiki