[DS-1563] ConfigurationService recognize -Ddspace.configuration= as ConfigurationManager does
[DS-1569] Don't try to emit a password if there is none.
Issue #DS-1569 - RoleDisseminator fails to check for possible null password
DS-1617 Switch to SOLRBrowseDAOs implementation as default in DSpace 4.0
DS-1619 Unable to remove items after enabling SOLRBrowseDAOs
Merge pull request #273 from abollini/DS-1617

DS-1617 Switch to SOLRBrowseDAOs implementation as default in DSpace 4.0
DS-1188 add itemlist to collection home page
DS-1571 DSpace discovery CRITICAL bug when date facet produce range
Merge pull request #228 from mwoodiupui/DS-1563

[DS-1563] ConfigurationService recognize -Ddspace.configuration= as ConfigurationManager does.

No comments for three months, and it's a trivial change.
Merge pull request #275 from mwoodiupui/DS-1569

[DS-1569] Don't try to emit a password if there is none.