Log Message:
deforaos-browser: update to 0.5.5

Changes since 0.5.4:

* Renaming of the .desktop files
* Moved the configuration file to
  ~/.config/DeforaOS/Desktop/Browser/Browser.conf
* Improved architecture of the desktop(1) handler
* Matching the latest libDesktop
* Build fix for macOS
* Improved compilation scripts (from DeforaOS configure)

This also makes use of the helper for DeforaOS configure, found in
devel/deforaos-configure/deforaos-configure.mk.