Update XPDF2Thumbnail.java

Bringing XPDF thumbnails up to par with the regular JPEG thumbnails.
Update XPDF2Thumbnail.java

Remove a bit of commented cruft.
Display select value without hexcode entities, add escape using JavaScript String rules for fullname/email instead replace single quote, add code to prevent xss attach
DS-1789 Deprecate Lucene Java classes
Merge pull request #422 from lap82/DS-1716

[DS-1716] Display select value without hexcode entities, add escape using JavaScri...
Merge pull request #409 from jsnshrmn/master

use better image downscaling method for XPDF media-filter
Remove compiler, plugin versions that should be supplied by parent for consistency.
Use same final artifact name as the rest of DSpace, for consistency
Merge pull request #425 from abollini/DS-1789

DS-1789 Deprecate Lucene Java classes
Address a spelling issue, and further polishing.
Default Recent Submissions to 5 on homepage, but page by 20 in browse-by
Merge pull request #427 from tdonohue/DS-1759

DS-1759 possible fix
Merge pull request #426 from mwoodiupui/DS-1826

[DS-1826] dspace-rest artifact naming doesn't follow pattern, and other small POM tweaks
Update documentation for RC3
[maven-release-plugin] prepare release dspace-4.0-rc3
[maven-release-plugin] prepare for next development iteration