Image Magick Thumbnail Creator
Adding license per travis build errors
Default settings for ImageMagick Thumbnail Filters
[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
Migrate LIT filters to IM filter

Per DSpace PR discussions
Clarify messages, improve label checks
Rm LIT files, name change req in DSpace Tech mtg
class rename
Static methods for reuse by curation system
fixed an issue where running mvn package without clean would break the usemin step of the grunt build
Code cleanup
[DS-2112] fix NPE if org.dspace.app.mediafilter.MediaFilterManager.processBitstream is undefined

Also take a few IDE hints to tidy up the region.
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.
Update config comments for filter plugins