installation: bootstrap-switch inclusion
installation: bootstrap-switch inclusion

* Adds bootstrap switch for on/off buttons.

Signed-off-by: Lars Holm Nielsen <7eaffca9f7cd98839b5821d0d23e09ff764b82cd@cern.ch>

inveniosoftware/invenio,tiborsimko/invenio,inveniosoftware/invenio,tiborsimko/invenio