deposit: s/deposition/deposit/
deposit: s/deposition/deposit/

* Changes the word 'deposition' to 'deposit'. (closes #1915)

Signed-off-by: Adrian Pawel Baran <3f0d95b8f073876984c6beaffa367600a8350ef3@cern.ch>

inveniosoftware/invenio-deposit,inveniosoftware/invenio-deposit,inveniosoftware/invenio-deposit,inveniosoftware/invenio-deposit