2.0.0b2 release of Hedgehog

Hedgehog 2.0.0b2 - 2014-05-05

• Support for Vagrant Provisioning (thanks melalj)
• Various installation changes to support packaging (thanks arhbkb)
• Changed the yaml parsing to use the Perl YAML::Tiny library
• Changed the default_interactive_plot_type to svg (instead of flash)
• Static Traffic Volume plot is now faceted by Transport vs IP version
• Traffic Query/Response Difference plots added (requires R package dplyr)
• RPostgreSQLHelper installed as separate package. This requires running
  'make install ; make install-rpg' on installation now.
• Added vertical axis labels to googlevis line charts
• Added node_id index to data tables
• Added support for connecting to a remote database and password support
• Fixed color palette in annotated charts
• Work around for bug: mages/googleVis#14
• Improved old xml tar script
• Improvements to database creation and upgrade scripts