add solr code
add yelp
add sampling code
add misc
Merge branch 'master' of ssh://github.com/ywchiu/hadoopscience
revise sqoop script
revise flume script
revise log generator
revise flume
add hive
revise hive
add 1108 material
add pagecount
add Tableau blank
revise pig
add unzip
add impala
add OOzie