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-1235 IP authentication configuration does not apply netmask and CIDR ranges correctly
Ensure all metadata fields are exported through OAI with oai_dc.

Some fields were not exported which can be a problem when harvesting
from another repository.
Don't export dc.description.provenance.

The default is to hide this metadata (see
metadata.hide.dc.description.provenance option in dspace.cfg).
Update metadata.hide.dc.description.provenance option comment.

This option no longer affects OAI-PMH.
Update BrandedPreviewJPEGFilter.java

Addressed transparency issues
Update JPEGFilter.java

Addressed transparency issues.
Update JPEGFilter.java

Working to address failed to convolve bug.
Update BrandedPreviewJPEGFilter.java

Working to address failed to convolve bug.
[DS-803] Make 'bin/dspace harvest -g' actually function.

And my usual whitespace cleanup.
Also make org.dspace.harvest.OAIHarvester.verifyOAIHarvester more rugged.
More silly whitespace
DS-1622 Porting of the Login As feature to JSPUI
Merge pull request #279 from mwoodiupui/DS-803

[DS-803] Make 'bin/dspace harvest -g' actually function.
Merge pull request #154 from jsnshrmn/master

Improved thumbnail and branded preview filters as discussed in DS-1259
[DS-1610] Don't keep Cocoon logs forever

Drop rotated logs after 14 rotations (two weeks).