Merge pull request #245 from bbpennel/attach-source-javadoc

Include source and JavaDoc artifacts for builds
Change file paths in org.fcrepo.kernel.spring.DefaultPropertiesLoaderTest to be platform-independent.

https://www.pivotaltracker.com/story/show/65905804
Fix stacktrace dump on UI 'Seach' with empty string by expanding invalid search term conditional to filter out empty search term strings