Release Grails 4.0.5

Update Travis build script

to skip publishing or upload to Bintray as it was done already. We only need to publish sources and the documentation.

Release Grails 4.0.4

Release Grails 4.1.0.M1

Release Grails 4.0.3

Release Grails 4.0.2

Release Grails 3.3.11

Release Grails 4.0.1

Release 4.0.0

Release Grails 4.0.0 RC2