Implemented method remove() in ServerModule. Fixes #799
Added icons folder into build (fixes #821)
Deprecated ok method from preference page. Fixes #823
Wait for shell when opening preferences page. Fixes #825
wait contition for validation markers. Fixes #824
Improve RedDeer update site layout #831

As described in the task, I created additional groups
in the RedDeer site:
Runtime/API
UI
Tests/Examples
Sources
Dont open preference dialog when select method is called. Fixes #826
Performed clean-up on AbstractView (fixes #767)