[changelog] Add Thanks section for 1.4.0
thanks
[changelog] Add user and developer notes for 1.4.0
Merge branch 'release/1.4.0/changelog'
[module/base] Define abstract #properties
[module/forge] Read metadata before retrieving version
[module] Implement #properties in concrete module classes
[action/deploy/display] Add --detail flag
[doc] Document deploy display --detail flag
[changelog] (GH-40) Document --detail flag