EDIT

fix #6897 Add missing Messages.java to build properties

cleanup and deproxy

Fix potential NPE

Fix potential NPE

ref #6781 Replace nebula update site with 2016 archived one

Add javadoc

fix #6875 Fix duplicate menu items in context menu

Merge branch 'hotfix/4.9.1' into develop

ref #6658 remove 1 when mapping joda.DateTime.month to swt.DateTime (II)

ref #6658 remove 1 when mapping joda.DateTime.month to swt.DateTime