Update list of UI terms that have shortcuts and add also ones starting with lower case

Shortcuts starting with lower ones need just to translate first character to uppercase and
call its shortcut
Merge pull request #24 from yast/update_ui_shortcuts

Update list of UI terms that have shortcuts and add also ones starting w...
Move logic for computing the need for copying into Type

This is where this logic belongs.
Call |deep_copy| when assigning or returning variables as needed

Fixes #25.
Merge branch 'master' into comments

Conflicts:
	spec/y2r/ast/ruby_spec.rb