[DS-1738] Support NUMERIC columns in database query result sets.

NUMERIC and DECIMAL results are now converted to BigDecimal, not
Integer resp. Long.
[DS-1738] Reflect changes in MockDatabaseManager too.  Provide unit tests.
Proper license header for new test module
fixed an issue where a separate webapp would be created in the dspace install folder
Merge pull request #616 from atmire/mirage2-webapp

[DS-2052] Mirage 2 separate webapp fix
fixed an issue where running mvn package without clean would break the usemin step of the grunt build
Code cleanup
fixes DS-2118, adds assetstore.dir to the testing dspace.cfg.more fileweaver overlay
Merge pull request #619 from hardyoyo/DS-2118

fixes DS-2118, adds assetstore.dir to the testing dspace.cfg.more
Merge pull request #365 from mwoodiupui/DS-1738

[DS-1738] Support NUMERIC columns in database query result sets.
[DS-2034] Check for null (unset) properties and replace with an indicator
Merge pull request #622 from mwoodiupui/DS-2034

[DS-2034] Problem in [Control Panel]->[Dspace Configuration] - org.dspace.app.xmlui.wing.WingInvalidArgument: The 'characters' parameter is required for list items.
DS-2120: IdentifierServiceImpl should log less aggressive

The IdentifierProvider API uses exceptions to state that an Identifier
for a specific DSO cannot be found. These exceptions shoudln't get
logged as error.
Merge pull request #623 from tuub/DS-2120

DS-2120: IdentifierServiceImpl should log less aggressive
Merge pull request #618 from atmire/mirage2-usemin-issue

[DS-2116] Mirage 2 build fails without including maven clean target
DS-2120: Reduce logging in IdenitifierServiceImpl.resolve(...).
Merge pull request #624 from tuub/DS-2120

DS-2120: Reduce logging in IdenitifierServiceImpl.resolve(...).
[DS-2126] changed invalid datatype of TEXT to VARCHAR2(2000), dropped transaction/commit block
Merge pull request #625 from hardyoyo/DS-2126-tweak-oracle-scripts

[DS-2126] changed invalid datatype of TEXT dropped transaction