Add Spider captured News data 2014-09-01 ~2014-09-03
Update run_topic.bat with new command line examples to match with category based clustering and analysis

i.e.
For Sports Category Clustering

Do data clean and Generate Mallet format file:
bin\mallet import-dir --input sample-data\db_20140901_0903\Sports --output Sports_agg.mallet --keep-sequence --remove-stopwords

Do LDA Model and K-Means:
bin\mallet train-clusters --input Sports_agg.mallet --num-topics 150 --optimize-interval 20 --k 300 >> Output_Sports_Cluster_N150K300_1438.txt

Only for result analysis, show doc topic proportion/ top key words list:

bin\mallet train-topics --input Sports_agg.mallet --num-topics 150 --optimize-interval 20 --output-doc-topics Sports_compostion_1438.txt --output-topic-keys Sports_topic_keys_1438.txt