Fixed a number of typos in Javadoc comments, resources, etc.
Economized a delegation method in BatchUpload.
Relocated file-loading utility method, and removed cruft from BatchUpload.
Fixed BatchUpload not accepting unspecified optional CSV files, and added Shepherd cleanup in JSP page.
Added option for batch plugins to prevent persistence of media items, added docs for BatchMedia, and optimized BatchProcessor file download to avoid memory overhead.
Added support getting server root URI for resource accessibility.
Factored out media file extension referencing better for convenience/robustness.
Added utility class for determining MantaMatcher algorithm accessory files.
Added extra batch upload plugin information on JSP page.
Added utility class for manipulating lists.
Updated MantaMatcher batch upload plugin for compatibility after merge to updated core version.
Fixed servlet/JSP access to MantaMatcher algorithm implementation.
Updated commonConfiguration to enable batch upload module (with MantaMatcher plugin).