x11-wm/leftwm: Update to 0.4.2
Major changes:
- The new ignore_empty and ignore_used options in FocusNext/Previous Tag
- Command SwapWindowToTop introduced
- Fixes to ordering of windows after exiting from full screen mode
- Basic theme and documentation fixes
- Improved performance for set_layout , event_loop, and Xscreens
- Improved error messages for leftwm-state and leftwm-check
- Cursors now snap to the bottom right of a window when resizing
Port improvement:
- Move CARGO_CRATES in a dedicate Makefile.crates
- Reorder Makefile to make linters happy
- Add desktop-file-utils to USES beacause we install a desktop file