deposit: fix errors in an inline form

* Shows all error messages for inline form field bellow.  (closes #2141)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
installation: testing of development requirements

* Adds list of repositories with developement version of some of the
  most important libraries Invenio is depended on.  (addresses #2044)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
template: deprecated blueprint_is_module function

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
workflows: dismissable approval alert

* Makes the default approval alert dismissable.

Reviewed-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
workflows: task result templates

* Amends task result rendering in Holding Pen to use templates
  under the folder templates/workflows/results.

* Fixes a problem in refextract task.

* Adds refextract template.

* Adds template for fulltext_download task to display a nicer looking
  fulltext icon to users.

* Amends tests to accommodate this new change.

Reviewed-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
workflows: task result upgrade

* NOTE Adds an update script to change any existing task results
  from being an WorkflowsTaskResult instance to a dict.

* Removes WorkflowsTaskResult class.

* Changes task results to no longer be grouped by last_task_name in
  order to support adding task results outside of workflows tasks.

* Updates documentation with new information on task results as well
  as actions, workers, extra_data.

* Renames actions API function add_action() to set_action() to better
  describe what the function does.

* Adds a test case for this new functionality.

* Factors out a function in utils to get rendered task results from the
  blueprint.

* Changes the fulltext route to a better schema using
  send_from_directory to avoid exposing any file on the system to
  logged in users.

* Updates location and task result of saved files in task
  fulltext_download().

* Simplifies the "heavy" workflow definitions a bit as well as the
  output of the generic harvesting workflows.

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
sqlalchemy: addition of Encrypted type

* Adds a custom type which is called `Encrypted`. It uses
  the AES algorithm provided by pycrypto in order to encrypt and
  decrypt.

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