Adds more tests of recollect #84
Minor fixes and removal of old, replaced errorhandling #84
Adds manual test feed files for #84

How to test:
*clean repos
*collect admin
*move or rename EMFS-2011_39.rdf (to simulate a 404)
*collet this testfeed
*make sure that 2011:39 is in the recollect queue by visiting localhost:8180/feed/recollect
*restore EMFS-2011_39.rdf
*collect localhost:8180/feed/recollect
*make sure 2011:39 was imported