MXGDA-528 - add constants for application window options
GDA-5378 - add property to maximise application window at startup
MXGDA-564 - add properties to indicate removal of workbench menus

- allow removal of search and run action sets
MXGDA-564 - Add properties to permit removal of optional menus

- properties control visibility of menu options within File, Window, Run
MXGDA-923 create writeToXML, createFromXML methods that use encoding

 * allow character encodings
Merge remote-tracking branch 'origin/1.1'
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-common.git