WebSession: fix for translatable strings

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
utils: formatting + PEP8 + PEP257

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
utils: fix for `dateutils.datetime.combine` method

* Adds the missing `time.second` into the constructor.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
utils: test `convert_datetext_to_datestruct`

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
utils: test `date.convert_datestruct_to_dategui`

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
base: fix misc index stemming language in demosite

* Sets english as stemming language for demosite miscellaneous index.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
webhooks: signature validation

* Adds a 'signature' option to Receiver which allows to specify a HTTP
  header which needs to be present in a request to validate the content.

Signed-off-by: Grzegorz Szpura <grzegorz.szpura@cern.ch>
Reviewed-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
ext: fix language usage
installation: setuptools version

* Add version requirement for setuptools in order to avoid conflicts
  with setuptools-bower
  (https://github.com/lnielsen-cern/setuptools-bower).

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
installation: Bower font-awesome

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
installation: fix for inversed user/database name

* Addresses an issue with inversed user and database name in
  `inveniomanage database init` command.

Signed-off-by: Alessio Deiana <alessio.deiana@cern.ch>
Reviewed-by: Samuele Kaplun <samuele.kaplun@cern.ch>