Update dspace-api/src/main/java/org/dspace/app/mediafilter/BrandedPreviewJPEGFilter.java

Adds high quality scaling and blurring options for branded previews.  Boolean options webui.preview.blurring and webui.preview.hqscaling need to be added to dspace.cfg for behavior to change. 
Update dspace-api/src/main/java/org/dspace/app/mediafilter/JPEGFilter.java

Adds high quality scaling and blurring options for thumbnails.  Boolean options thumbnail.blurring and thumbnail.hqscaling need to be added to dspace.cfg for behavior to change. 
Update dspace/config/dspace.cfg

Added blur and scaling options to enable better quality thumbnails and previews.
Authoring
Merge pull request #1 from lyncodev/master

Authoring changes
Update dspace-api/src/main/java/org/dspace/app/mediafilter/BrandedPreviewJPEGFilter.java

fixed a variable name typo.  it didn't hurt functionality, just consistency.
DS-1503 use getAttribute first before attempting to check getHeader for
the user value. ShibUseHeaders is not enabled by default in Apache.
[DS-1390] stage 1:  move license, email texts, news out of Configuration Manager.
Oops, missing license headers.
Clean up comments and unused imports.
getConfigurationFile cannot return null anymore.
IDE failed to refactor references embedded in JSPs.
Reintroduce factored-out methods as @deprecated wrappers, so we don't
break third-party code.

These should *not* be mirrored in ConfigurationService.
Manually re-merge UTF-8 changes lost in rebase.

See c4c493c4cfb1fcd8ef60b1e99529fc6770f58835.
See 802cce856f7bd0ec2f3272e49551c7ca6340e85c.
[DS-1563] ConfigurationService recognize -Ddspace.configuration= as ConfigurationManager does
[DS-1569] Don't try to emit a password if there is none.
Issue #DS-1569 - RoleDisseminator fails to check for possible null password
[DS-1456] Make webapp.s register in a new database table when started, so we can
list them later.
Replace kooky URL calculation with fetching it from the configuration.
Reorganize, refactor, implement an alternative MBean approach for trial.
Record 'isUI' in database; add code to 'dspace version' to consume the table.