redirector: initial move from `goto`
recordext.producers: initial release
BibField: legacy field matching import fix
WebSubmit: autodiscovery of file metadata plugins
workflows: wfwidgets move
workflows: fix worker import
workflows: add missing init in workers
workflows: move tasks and rename samples
bibworkflow: fix of tasks Makefile
Merge branch 'code-structure-with-webdeposit' of https://github.com/jirikuncar/invenio into cswwd

Conflicts:
	invenio/core/record/recordext/producers/__init__.py
	invenio/modules/redirector/scripts/redirector.py
wrappers: blueprint has static folder check

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>