Hadoop CDPATH bugfix submitted by Lane Schwartz.
added missing import
pulled StatelessQuantizer into its own file (Mac OS X was not finding it)
added thrax dependency to all target
Merge branch 'cdpath_fix' of ../joshua
bugfix in passing iteration to decoder (thanks to Kenneth Heafield)
Gideon : Merge remote-tracking branch 'upstream/master' into devel

Conflicts:
	build.xml
	src/joshua/pro/PROCore.java
	src/joshua/util/quantization/StatelessQuantizer.java
	src/joshua/zmert/MertCore.java
Gideon : Merged upstream changes into repository