NR-904: Please let search enable to filter Author column
* added (article) search over author login names
NR-904: Please let search enable to filter Author column
* done
Merge pull request #97 from msat-cont/nr-904-art-search-names

NR-904 art search names
Fixed user prepopulation in the database
Merge remote-tracking branch 'sourcefabric/master' into devel
Merge remote-tracking branch 'sourcefabric/devel' into aap