5.9.0 release announcement draft

[Gilles Caulier-4]

Hi all,

I just posted a simple draft about 5.9.0 release 

https://staging.digikam.org/news/2018-03-25-5.9.0_release_announcement/

...following the list of reports closed since 5.8.0 :

https://bugs.kde.org/buglist.cgi?f1=cf_versionfixedin&limit=0&list_id=1505906&o1=equals&order=bug_id&product=digikam&v1=5.9.0

Please patch, review, improve the draft available in git branch as usual :

https://cgit.kde.org/websites/digikam-org.git/tree/content/news/2018-03-25-5.9.0_release_announcement.md?h=dev

Best

Gilles Caulier