Merge pull request #22 from csdhome/pre_post_command_hooks

Added pre and post command hooks and reboot functionality if a rename is needed during the resetnetwork command.
Added the ability to run cloud automation scripts by a sysprep command in the registry and added the ability to run them after a reboot if one is detected.
Merge pull request #23 from csdhome/RunCloudAutomation

Added the ability to run cloud automation scripts by a sysprep command in the registry and added the ability to run them after a reboot if one is detected.
Updated agent to restart without running any further commands if a restart is needed for our nova updates.