Merge pull request #1 from migf1/master

Version 0.3a2 (bug fixes, additions, etc)
Merge pull request #2 from migf1/master

Version 0.3a2 - Fixed colors of redo moves in moves-counter
Refactor README
Merge pull request #3 from imitheos/readme

Refactor README
Added next-move in replays (incompatible with old replay-files)

Quick Briefing:
gs.c (added nextmv field in GameState, (de)serialization adopted)
tui.c (displays next-move right after previous-move in replays)
tui_skin.c (some irrelevant color-changes)
main.c (netxmv of prev gamestate gets updated in _do_play_board())
replays/ (added new sample replay-files, deleted old ones)
Version Bump
Merge pull request #4 from migf1/REPLAY_NEXTMV

Added next-move in replays (incompatible with old replay-files)