update language readme
Merge remote 'mainline/master' and update readme files for translation

Conflicts:
	mods/fantasycore/languages/readme.txt
Merge remote-tracking branch 'mainline/master'
Add flare0.18 game prefix to the alpha_demo mod
Merge pull request #230 from stefanbeller/master

Add game prefix to alpha_demo mod, beautify the language translation readmes.