fix memory leak in ArchiveViewModel uniqueGameNameForName:
update copyright year of files touched since the last release
update MANUAL, TESTING and Research
improve footer messages for Play view user preferences
fix comments in PlayView and PlayViewScrollController
final tidying up for release 0.11.0
add Xcode schemes to version control
Merge branch '0.11.0' into develop

Conflicts:
	src/play/controller/DebugPlayViewController.h
	src/play/playtab/PlayTabController.h
	src/play/playview/PlayView.m

Resolution:
- discard changes in DebugPlayViewController.h, this file
  no longer exists
- manually merge doc changes in PlayView.m and
  ScrollViewController.h (formerly named
  PlayViewScrollController.h)