Makefile: Use the `fsc' Scala compiler instead, because it's less slow.
-rw-r--r-- 1231 Makefile
-rw-r--r-- 6551 jni.c
-rw-r--r-- 703 jni.java
-rw-r--r-- 1490 main.scala
-rw-r--r-- 1095 sock.scala