BibCirculation: regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibConvert: regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
errorlib: regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSearch: summarizer regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSearch: search admin regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibFormat: support for fulltext snippet display

* Displays snippets in the Flask-based brief output.
  (closes #1588)

Signed-off-by: Patrick Glauner <patrick.oliver.glauner@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebLinkback: fix regression test cases

* Makes tests compatible with Flask and SQLAlchemy.
  (closes #1589)

Signed-off-by: Patrick Glauner <patrick.oliver.glauner@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>