Renamed Plugin_NewLua to PluginLua.
Fixed squid crashing the server when above or below the world
Piston head, when removed, removes the associated piston body, too.

Fixes FS 388
First attempt at Linux console colors

Ref.: issue #41
Bad preprocesor used for discovering Linux
Use printf() instead of puts().

puts() outputs an extra newline, making it unsuitable
Disabled coloring for redirected output.
Fixed Linux build.
Another Linux compilation fix.
Coloring is reset before the LF.
Linux color redirection fixed.

Outputting to stdin, yeah, right, that's gonna work :P
Merge pull request #56 from mc-server/LinuxColorConsole

Linux color console