logstash service improvements

* add logstash-contrib plugins package
* add additional options to the logstash service
Added the grassroots DICOM library.
Added the dlib machine learning library.
Fixed the mirror:// download link for GDCM.
Added Christopher Poole to the list of dlib package maintainers.
fritzing: add version 0.9.0b

- An open source prototyping tool for Arduino-based projects
golang: add golint and gotags
discount: new package
megaglest: new package
idea.desktop: fixed that the item got malformed Comment input
idea.idea-{community,ultimate}: bump 13.1.4b -> 13.1.5
idea.android-studio: bump 0.8.10 -> 0.8.12
Merge pull request #4484 from edwtjo/idea-updates

Idea updates
Update pure to 0.62

Closes #4486
discount: Added shell as maintainer
apulse: add pkg

Closes #4488
tibia: update to 10.59
peco: update to version 0.2.10

Closes #4489
xbmcPlugins.genesis: added package

Closes #4482
Merge pull request #4462 from VShell/discount

discount: new package