Updated docstring to tmpl_browse_pattern() to describe colls parameter.
Updated docstring to tmpl_browse_pattern() to describe colls
parameter.

inveniosoftware/invenio-records,inveniosoftware/invenio-records,tiborsimko/invenio-records,tiborsimko/invenio-search,inveniosoftware/invenio-search,inveniosoftware/invenio-search,tiborsimko/invenio-search,tiborsimko/invenio-records