XViewer: XPromptChange.promptChangeBoolean should check for Window.Ok
RAP/RCP single sourcing
Added date by week formater
adding week formatting into datetime object

Conflicts:
	releng/org.eclipse.nebula.nebula-parent/pom.xml
	releng/org.eclipse.nebula.nebula-release/pom.xml
changes for using datechooser in singlesourced RCP/RAP
Added CheckboxTableCombo
update form paperclips classpath
datechooser for single sourced RCP/RAP
tycho 0.18

tycho 0.18
update RAP compatibility
Added HoverListener
added IGridViewer
fix verzie
tycho 0.21