Issue #67: attack menus and keyboard actions

- item selected (source and context windows opened)
- closing stack window, closes source and context windows
- attachProcess: and debugProcess: ... attach does not terminate process when window
  closed
- add `print window` to window menu
- printing goes to window named #printer
- `ps attach` and `ps debug` commands open TDDebugger...
Issue #67: implement debugger menu items

- step over, into, thru; continue; restart; up; down have been implemented in TDDebugger ... not functional
- moved TDDebugger to Topez-Server-DebugTools package
Merge branch 'dev' of github.com:dalehenrich/tode into dev