test if deleting bookmarks works. to do this, we need a new testbase method to create...

test if deleting bookmarks works. to do this, we need a new testbase method to create users, plus we need to return the uid when creating a new user. registration process needs to be adopted to that.

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@417 b3834d28-1941-0410-a4f8-b48e95affb8f