Creatin branch for code cleanup
Merged dev-api branch to trunk. merge -r54925:HEAD https://svn.driver.research-infrastructures.eu/driver/dnet45/modules/uoa-repository-manager-service/branches/dev-api
Meerge dev-api to trunk ( -r50861:54841 )
Add usagestats statistics
1. Add env var for cookies 2. Add sushi controllers 3. Bug fix on piwik/repo 4. Add stats controllers/service
1. Dockerize service2. Add authorization checks3. Handle exceptions ( controller advice, exception package)4. Login-logout operations bug fixes
1. Commit dockerfile