deposit: fix for missing DEPOSIT_FORM

* Imports DEPOSIT_FORM with help of requirejs.

* Adds bootstrap.js to requirements of deposit page script to fix the button()
  conflict between bootstrap js and jQuery-UI.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
deposit: rename of fillform.js

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
deposit: change of element for displaying import messages

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
deposit: workaround for button() function conflict

* Resigns from button() from bootstrap.js, as it is problematic to
  preserve the proper loading order with all-the-time changing
  invenio.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
base: prevention of double bootstrap import

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
deposit: reuse of jqueryplugin wrapper

* Uses common jQueryPLugin wrapper in MessageBox plugin.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
base: improvements for jQuery plugin generator

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
deposit: forms template files organisation

* Updates forms template files to work with Invenio ones.

Signed-off-by: Pedro Gaudêncio <pedro.gaudencio@cern.ch>