add demo records
Search results: permanent searchbar, templates
 * permanent searchbar
 * templates for HEP and HepNames

HEP templates for HTML brief and detailed view

Searchbar: searchbar extension
 * storing search parameters to session

Templates improvements

Templates:
 * jinja filters to format hepnames fields
 * hepnames templates improvements
 * config file created

Last minute changes to make everything working ;)

Bibfield: models for hep and hepNames