GH #48 - Completely remove moon arrows and their dastardly crates.

Apparently these were supposed to have been gone revisions ago.
Kobolds now unpack mithril singing arrows, not steeloak ones.
Orc: Goblin tinkerers can now smelt tetrahedrite.

Also smelter reactions at the tinkerer to list their products.

This was already in the entity file, it's now actually got a reaction.
maint-bin: Added `forum-patchlog.pl`, to generate BB friendly patchlogs.

I was sick of doing this by hand.
This should really be merged with `export-patches.pl`.
maint-bin: Add `sync.pl` to do routine merges and pushes.
lint-raws.pl - Show hotkey conflicts. For GH #64 #dev
forum-patchlog.pl: Fix regexp to *actually* exclude lines with #dev in them.
Removed all (now non-existent) batch clay ractions from kobold entity files.

Meph tells me all these reactions were removed on purpose, so this cleans
up the entity files to match.