base: assets 2.0

* Inspire bundles inherit invenio's ones.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
base: move of bundles to global_bundles block.

* Fixes wrong block for bundles placement.

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>