deposit: fix for DOI page property when undefined

* Closes #77.

* Passes JSHint and JSBeautifier.

* Filters out the returning object of undefined values.

Signed-off-by: Georgios Kokosioulis <georgios.kokosioulis@cern.ch>
base: default breadcrums

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
accounts: login template

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>