ts-warp-1.4.7

ts-warp-1.4.7, gui-warp-1.0.22 (gui-warp-v1.0.26-mac), ns-warp-1.0.7

• ts-warp.sh.in: remove unused variables
• ts-warp.c: Drop direct requests to Transparent port
• Makefile: examples-* target user-name check fix
• ts-warp.sh.in, ts-warp_autofw.sh.in: On Linux try Iptables firts, then Nftables; fix execution.
• socks.c: Typo fix
• gui-warp.py, gui-warp.app: Links to releases; better PID-file checking
• Makefile, README.md: Better custom installation PREFIX
• gui/Makefile: images go to share/ts-warp directory
• gui-warp.py: Better parsing of gui-warp.ini - key error fix