Fix bugs in release scripts.

Corrected the case on several filenames to match their case in git, so that
the scripts will work on case-sensitive file systems.

In release.py main() was creating 'forge/mcp/TFCraft/TFC Build' while
zip_start was expecting 'forge/mcp/TFC Build'. Fixed the former to use the
same path as the latter.
Moved static Block and Item IDs to API
Fixed fruit tree transparency bug
Merge pull request #232 from emris/FruitTreeTransparencyFix

Fixed fruit tree transparency bug
Merge pull request #230 from mayaknife/releaseScriptBugs

Fix bugs in release scripts.
Merge pull request #231 from emris/StaticBlockItemIDs

Moved static Block and Item IDs to API
added TFC Build Folder to the gitignore
Added recipe to make Thatch. The thatch block is a just a basic cube for now, but later, it might be worth turning it into a stair block or something for better aesthetics.
Logpiles can no longer be created on top of nonsolid blocks or other logpiles that are not completely full of logs.
Fixed crucible not adding metal to the metal list properly.
disabled damage handler debug messages
Fixed creeper spawn rates, because they're so powerful.
Merge branch 'master' of https://github.com/Deadrik/TFCraft
Log piles can now be placed on firepits
Blast furnace recipe now includes a crucible in the centre
Fixed pig iron being smithed into steel instead of high-carbon steel, enabled anvils to be meltable in the cruible
Blast furnaces now require flux to smelt ore