Created basic elasticsearch node
Added additional sensors
Added config keys required for clustering
Added support for elastic search cluster
Fixed (and simplified) clustering, using automatic zen discovery
Updated following PR review
Updated following PR review, added integration tests
Skip UNIX-specific tests so all tests pass on Windows.
Ignore platform specific tests at runtime.
Adds pre and post launch command config keys to SoftwareProcess
Adds integration test for pre and post launch commands
Removed java copyright headers that contain 'Cloudsoft Corp'
Added apache copyright header to all java files
Added apache copyright header to all groovy files
Added apache copyright header to all yaml files
Added apache copyright header to (non 3rd-party) js files
Added apache copyright header to html files
Added apache copyright header to properties and sh files
Added apache copyright header to a few misc script files
Added apache copyright header to css files