Added num_topics and num_iters options to train_mallet.sh
Merge branch 'master' of github.com:uwdata/termite-server

Conflicts:
	bin/train_mallet.sh
Removed unused code from demo scripts.
Merge branch 'master' of github.com:uwdata/termite-server
Minor edits to fetch scripts.
Merge branch 'master' of github.com:uwdata/termite-server
Makefile to build 20newsgroup datasets for Alison.