[WIP] builds spark-base image for 0.9.0
adapts script to new sbin/ location in spark 0.9.0
working master using host IP Address
working config for master and workers
adds support for docker linking for master ip discovery
remove sudo in docker invocation
replace ADD with wget's to get predictable behaviour 

(With regards to archive decompression, witch it's not supposed to do if the file is remote but does anyway in my case)
hdfs: set location of data & name folders
aligns naming of master to avoid underscore in hostname
Merge branch 'support_spark_0_9_0' of github.com:Technicolor-Portico/docker-scripts into support_spark_0_9_0
added hdfs changes from Jehan
Open port to Namenode UI
run hadoop commands with hadoop user
adds ports to access hdfs data nodes
Merge branch 'support_spark_0_9_0' of github.com:Technicolor-Portico/docker-scripts into support_spark_0_9_0
Merge pull request #1 from Technicolor-Portico/support_spark_0_9_0

Support spark 0 9 0