knowledge: PEP8 and PEP257 improvements

* Removes `__init__` methods.  (PR #2184)

Co-authored-by: Javier Martin Montull <javier.martin.montull@cern.ch>
Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
workflows: passed data check

* Adds a check that passed data to the workflows API is indeed
  a list.

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
workflows: wrong default position

* Fixes the default position of workflows when restarting a
  workflow.  (closes #2177) (PR #2186)

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
linkbacks: fix tab visibility if excluded

* Adds module to excluded packages and disables tab in detailed record
  view.  (closes #1707)

* NOTE Adds deprecation warning for linkbacks module.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
oauth2server: redirect uri validation fix

* Fixes security issue where redirect URIs was not correctly validated
  against the values provided by the client. (closes #2175)

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
legacy: fix form file attribute

* Addresses issue with missing legacy `file` attribute in form fields.
  (closes #1900)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
base: fix missing default config value

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
sqlalchemy: addition of Encrypted column type

* Adds submodule `types` inside `invenio.ext.sqlalchemy` package.

* Refactors the `types.py` into separate packages.

* Adds of a type named `Encrypted` that will be used for
  encrypting and decrypting `access_tokens`.  (PR #2173)

* Adds of pycrypto>=2.6.1 to `setup.py`.

Co-authored-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Konstantinos Kostis <konstantinos.kostis@cern.ch>
restful: pagination fixes

* Refactors the `restful_pagination` file.  (closes #2102)

* Simplifies `link_header` method when concatenating links into
  one string.

* Renames file `restful_pagination` to `pagination`.
  (addresses #1724)

* Improves PEP8 and PEP257.  (PR #2087)

Co-authored-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Konstantinos Kostis <konstantinos.kostis@cern.ch>
formatter: include 'cc' in RSS <channel>'s <link>

* Adds collection link to channel if the current collection is defined.
  (addresses #2013)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
search: user-preffered output format

* Introduces a new parameter `of` for personal
  default output format.  (closes #1587)

Signed-off-by: Eirini Psallida <eirini.psallida@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
legacy: oaiharvest admin import fix

* Improves PEP8 and PEP257. (PR #2194)

* Temporary fixes wrong imports. (addresses #2188)

Co-authored-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
legacy: websearch circular import removal

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
legacy: bibindex admin interface fix

* Fixes bibindex admin interface. (closes #2190)

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
legacy: legacy admin interfaces addition

* Adds all the admin interfaces to the `/admin` page.

Co-authored-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
deposit: autocomplete configuration through data attrs

* Allows autocomplete limit configuration per field.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: form.js refactor

* Moves messages to Jinja templates.

* Converts form.js into flightjs component.

* NOTE: introduces new JS library <http://flightjs.github.io/>.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: plupload template change

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: initial plupload separation
deposit: plupload fixes

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>