for spark 1.3.x

add a pre-build jar file

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merge branch 1.2

add refrence for BigDataBench

for spark 1.2.x

add link of BigDataBench

Guide for compiling

1.0.2 -> 1.1.x

Merge tag '1.0.2'

show number of CC when the algorithm finished

update dependency version

update usage for ALS

1) modify the creating process of SparkContext; 2) re-implement ALS workload; 3) add README; 4) add test data.