assets: fix bundle builder

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
assets: error logging if binary are missing

* Adding a check for LESS_BIN and CLEANCSS_BIN presence at startup.
  It switches to ASSETS_DEBUG=True if you ignore the error message.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reported-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
upgrader: fix for docstring style

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
elasticsearch: initial commit

Signed-off-by: Johnny Mariéthoz <Johnny.Mariethoz@rero.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
grunt: fix for prism CSS path

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Acked-by: Jiri Kuncar <jiri.kuncar@cern.ch>
datastructures: MutableMapping register SmartDict

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
messages: div in messages menu fix

Signed-off-by: Eirini Psallida <eirini.psallida@cern.ch>
base: absolute icon font path

* Forcing the font path to be absolute. Otherwise less.js is confused,
  the problem doesn't occur when the stylesheet it compiled though.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
Reported-by: Jan Åge Lavik <jan.age.lavik@cern.ch>
base: render field enhancement

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
groups: account settings fixes

* NOTE: please upgrade *SQLAlchemy-Utils*
  $ pip install --upgrade SQLAlchemy-Utils<0.24.0

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
restful: code refactoring on restful utils

* Changes the first commented line

Signed-off-by: Konstantinos Kostis <konstantinos.kostis@cern.ch>
messages: code refactoring on REST API

* Refactors the errors class concerning messages

* Refactors the error handler for the messages
  restful api

* Adds a MessageValidationError class to the errors

* Refactors code of restful api

Signed-off-by: Konstantinos Kostis <konstantinos.kostis@cern.ch>