Second try to deploy 0.9.4

0.9.4 Release Candidate 6 -- fix docker deployment of RCs

0.9.4 release candidate 5

0.9.4 release candidate 3

0.9.4 release candidate 2

0.9.4 - Release Candidate 1: testing new version system

Preparing for the release

Mind that SemVer does not accommodate 4th version number - that's why we are not doing 0.9.2.1

Merge pull request nipreps#448 from chrisfilo/fix/classifier

[RTM] disabling the classifier

version bump [skip ci]

Version 0.9.0-1