WebStyle: fix for block javascript usage
WebStyle: fix for block javascript usage

* Moves javascript code to the end of the web page after all libraries
  are loaded.

* Touches WebAccess, WebSearch and WebSession templates.

tiborsimko/invenio-accounts,inveniosoftware/invenio-accounts,inspirehep/invenio-accounts,inveniosoftware/invenio-accounts,inveniosoftware/invenio-accounts,tiborsimko/invenio-accounts,inspirehep/invenio-accounts,inspirehep/invenio-accounts,tiborsimko/invenio-accounts