converterext: adds arXiv XSLT
general: update INSTALL.rst and NEWS.rst

* Also adds new license header to file page.html
fixtures: update websearch fixture

* Changes query 970__a:"SPIRES" or 980__a:"HEP" to remove the SPIRES part.
Merge pull request #3 from jalavik/add-converter-xslt

converterext: adds arXiv XSLT
search: permanent searchbar, formatter templates

* Adds permanent searchbar

* Adds templates for HEP and HepNames

* Stores search parameters to session

* Adds jinja filters to format hepnames fields

* Adds initial config file

* Adds Bibfield configuration for hepNames

* Adds Bibfield models for Hep and hepNames

Reviewed-by: Javier Martin Montull <javier.martin.montull@cern.ch>
fixtures: adds new db fixtures
general: update license headers
general: allow namespace package for node configuration
config: add instance config import

* Allows to keep node specific configuration in a different package that
  will be imported in INSPIRE config
global: fix MANIFEST.in file
fixtures: add OaiHARVEST sources

* Adds arXiv OAI Harvest source used to run
  harvesting workflows.

* Updates the IDs used for OAI related fixtures.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Merge pull request #4 from jalavik/oaiharvest-config

fixtures: add OaiHARVEST sources
general: tree structure changes
general: package folder refactoring

* Deletes unused files

* New base/ folder and folder tree structure

* Small bug fixes

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
config: make Celery use RabbitMQ
recordext: adds recid field
recordext: modify recid definition
recordext: fix field definitions
config: list packages in inspire configuration