updated luaj to cvs snapshot version, to get official fix for string matcher
better clean up of no longer valid computer state saves by handling saving in the chunk's save callback (instead of the world's)
added javadoc jar generation; added fingerprint generation/check and jar signing
some jdoc fixes
Merge branch 'master' of https://github.com/MightyPirates/OpenComputers into MC1.7

Conflicts:
	src/main/java/li/cil/oc/api/network/SidedEnvironment.java
	src/main/scala/li/cil/oc/OpenComputers.scala
	src/main/scala/li/cil/oc/common/ConnectionHandler.scala
	src/main/scala/li/cil/oc/common/SaveHandler.scala