- Adding hadoop2 based on 2.2 version
 - Changing fragments to plugins(Fragment classpath is appended to host classpath which causes issues thus making it as plugin)
 - Loading classes in diffrent context loaders(http://wiki.eclipse.org/FAQ_How_do_I_use_the_context_class_loader_in_Eclipse%3F)
 - Adding version to HDFSServer which can enble to determine version of client.
 - Updation the hadoop locationWizard to show resoucemanager address and select hadoop version
 HDT 7:
  - fixing bug : Cluster view loads onlly Hadoop 1.1  based cluster
 HDT 7 :
  - extraction of UI for each Version to individual plugins.
  - cleaning up existing UI
 HDT-61 :
  - Extrating hadoop home validation to plugin
  - using hadoop home validator in NewProjectWizard and MapReduceNature
  - setting version as part of prefrence