plants: move all commands as "plant" subcommands, update NEWS/Readme
DFHack compiles under OS X now.
Merge branch 'plant'
showmood: fix item count for real
call dfhack.init even in TEXT mode
use non-interactive console when calling dfhack.init in TEXT mode
dfhack-run: prevent duplicate "not a recognized command" error message
Merge branch 'osx_shenanigans' of git://github.com/tareqak/dfhack
Export functions for converting between UTF-8 and CP437 to lua.
Support calling a lua function via a protobuf request.

Previously the only way to call lua code was to call scripts
and parse their output to the stream, which is cumbersome.
Merge branch 'master' of https://github.com/angavrilov/dfhack