Adding .gitreview file

Change-Id: I151e8da3a86aa9a1192f2e6bc8c74561bb311f0a
Puppetizing Hadoop for CDH4.

Added puppet module unit tests for the classes in the module
Moved worker_paths in worker::paths

Change-Id: I6bc90b5994b5d9fcaed1e2c283ea1fa5126d3bd0
Adding classes to install hive, pig and sqoop.  (very simple!)

Hive Server and Hive Metastore puppetiztaion will come in a separate commit.

Adding and fixing some tests.

Change-Id: Iaa7769ce39e7002edb2b2476df3f850c611b4e6b
Updating some hadoop mapreduce and yarn configs

Change-Id: I5239e8fea4515c2209e3c959e23b595c0be9ca50
Moving compression configs to mapred-site.xml where they belong

Change-Id: I4adbf4ca20a194f9beaa8a7fb407c151e6809a0f
Adding support for ganglia metrics in hadoop-metrics2.properties

Change-Id: I547a9c0faaeb2d937c506f57a271230c4fe64c06
Making cdh4::hadoop::directory { '/user/hdfs': require Cdh4::Hadoop::Directory['/user'],

Change-Id: I15880d544618cbfe5d39744ce3cd599c100d9b83
Using 4 spaces instead of 2 for indent (WMF puppet code guideline)

Change-Id: I696f489832da09c7588bc9f739f4fa85d971f7a2
Fixing pig.properties.erb comment

Change-Id: I69a5cb4c7e93ff1c944431115284ecd840725416
Merge "Fixing pig.properties.erb comment"
Updating README.md

Change-Id: I145b3517b58259ad5cd1d8fd1dfb40eebe076730