* feat(render_assets): optional support for resvg
* refactor: rename MENU_BG to HDR_BG and MENU_FG to HDR_FG (and migrate old values on runtime)
* fix(configure): allow to run if inkscape not installed but resvg does
* feat(makefile): make optipng optional
* fix symlinks after sedding
* fix(configure): allow to run if inkscape not installed but resvg does - 2
* style: shellcheck all .sh files
* fix(autogen.sh): remove redundant escaping
* fix(*: makefile: rendersvg): use --zoom 2 to workaround --dpi problem
* Fix image path names in GTK+3 gresource files
Turns out it cares about the whole path, not just the filename, even
if you embed the pixdata.
* Fix change_color.sh following autotools changes
* Add --jobs option to change_color.sh to pass to make
This defaults to nproc.
* Update HACKING document following autotools changes
* Note in README which engines require sassc, optipng, and inkscape
Yauhen Kirylau
James Le Cuirot