Add datanode-reading commands: text, tail, copyToLocal, getmerge, get, cat
Merge pull request #22 from gbadiali/master

Add datanode-reading commands: text, tail, copyToLocal, getmerge, get, cat
Fix bug with CRC32

Change-Id: I4496a430aa958a3934f8241f80d62b171bebe4e3
Updated docs

Change-Id: I121f46556f3e04a63f66549ad21c85576d6d1a03
Updated docs

Change-Id: Ideacddcfd428a94b34a9fc06da3d59f43a38ca3c
Fix namenode parameter to take a string

Change-Id: Iff09385aa10068fd33a343796e39ea11fb9e720c
Removed put

Change-Id: I55cf03784d89deb6b79547d87ca9d725d5194474
Fix python 2.6 error

Change-Id: Iad68bfca139371141998754f7408209e64993ee7
Updated doc version

Change-Id: I592e7cd5d71f7ed6336ea7f144191dc082bb3118
Fixed test

Change-Id: I6c38e9ebeccb586cfe0f7fcbd1a5bba06a5680c0
Updated docs regarding CRC checks

Change-Id: Ia93ed065198d18d70ecd1af8a31a687d3588a071