[DS-1597] Browse subjects by collection count bug
Fixed bugs related to setting default filter queries
DS-1993, return null instead of throwing exception
DS-2015 ORE data is duplicated when an item is updated through a harvest.
DS-2063 SWORD keep-package-on-fail doesn't work for RuntimeExceptions.

https://jira.duraspace.org/browse/DS-2063
[DS-2076] Fix withdrawn items page title/trail
[DS-2076] Fix jump to browse for withdrawn items
[DS-2076] Same changes for PrivateItems as for WithdrawnItems
Small tweaks transferred from ConfigurableBrowse

The three classes (ConfigurableBrowse, WithdrawnItems, PrivateItems) should
probably be refactored one day to use less duplication. In the meantime, this
commit cleans up a little bit.
Fix for DS-1781. Also, log a warning if email cannot be determined, but still set to netid.
DS-2230 Mirage2 collection strengths not displayed
DS-1447 Login as User redirecting to wrong page
prevet dependency management from dspace-parent pom to override solr dependency on lucene 4.10.2
update LuceneMatchVersion to 'Current'
DS-2310 JSPUI uses outdated LDAP config properties
change hidden noop to error log
DS-2277 Double link to usage statistics
Locking the door for bad behaving bots
jspui fix simple search
leave the language to a null value, if so, while importing items