Experimental: 4.0.0-146

Changelog 4.0.0..18ac5fd

2bab30b - Pick logs till latest commit
92dc1b8 - Generate preview.html file in dolast
5cfad04 - Create preview.html file
7858f0f - Added preview task
7337c12 - Generate change log based on last tag.
38dc359 - Empty logger doesn't work on older Docker version (17.09)
50ab634 - Docker Logging driver support added into Elastic profile
651fc67 - Gravatarfix for issue #75 - removed checking for existence of docker volume - small refactoring
867652c - Bump joda-time from 2.10 to 2.10.1
65432a6 - Bump mockito-core from 2.23.0 to 2.23.4
ad27caa - Bump docker-client from 8.14.2 to 8.14.4
4e0f9c1 - Bump docker-client from 8.14.1 to 8.14.2