sysutils/xstow: update 1.0.2 -> 1.1.1
Changelog:
- https://github.com/majorkingleo/xstow/releases/tag/1.1.1
- https://github.com/majorkingleo/xstow/releases/tag/1.1.0
Major changes:
- compile with modern compilers
- infrastructure updates to compile with new and old compilers
Port changes:
- moved sourcecode to github
- Makefile cleanup to please portfmt