Added docker builds and settings improved for deployment using environment variables
removed stale files
Merge pull request #332 from goranche/docker-deployment

Added docker builds
Merge remote-tracking branch 'upstream/master'
Merge pull request #333 from ialja/master

Add counter for found events on search page
implements sentry support, fixes #337
add missing newline
Merge pull request #340 from gandalfar/patch-337

implements sentry support
Merge remote-tracking branch 'upstream/master'