add all editor actions to the shortcut manager and fix their shortcut context * file_editor_interface.h: new virtual function insert_new_open_actions * file-editor.cc (request_undo, request_redo, request_copy, request_cut, request_paste, request_selectall, request_save_file, request_save_file_as, request_print_file, request_run_file, request_toggle_bookmark, request_next_bookmark, request_previous_bookmark, request_remove_bookmark, request_toggle_breakpoint, request_next_breakpoint, request_previous_breakpoint, request_remove_breakpoint, request_comment_selected_text, request_uncomment_selected_text, request_indent_selected_text, request_unindent_selected_text, request_find, request_goto_line, request_completion) : change slot parameter from void to bool; (handle_editor_state_changed): renamed context_run_action; (notice_settings): call set_shortcuts without parameter; (insert_new_open_actions): new function called from main window for addings global action (new, open) to the editors file menu; (add_action): new function for adding a new action to a menu, connecting the slot, adding the action to the editor, and setting the shortcut context; (construct): make all actions class variables, add actions with add_actions, removing obsolete calls to QAction (), to setShortcutContext (), and to connect (), new submenu for navigation actions; (copyClipboard, pasteClipboard, selectAll): use slots with bool parameter; (set_shortcuts): remove the parameter of this function, it is now only called when the shortcut settings were changed and not when the terminal changes focus; (check_actions): enable/disable whole submenus instead of singe actions * file-editor.h: new function insert_new_open_actions, slots with bool parameter instead void, class variables for all actions, new submenus, set_shortcuts without parameter * main-window.cc (construct): do not connect the signal for setting shortcuts depending on terminal focus to the editor, insert new and open file actions into the editor file menu * main-window.h: remove the signal for settings other widgets shortcuts * shortcut-manager.cc (do_init_data): add more actions to the list