Update buildscripts, re-add models that went missing, update mcmod.info

**Most notable things:**
-Will now automagically grab MineTweaker when running `gradlew eclipse/idea`
-Incremental build numbers
-Generation of universal, source, deobf, and javadoc .jars
-Update mcmod.info a bit
-Some models went missing in the branch setup earlier, this *should* add them back