Move durationfmt into eventlogging

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move errors into release

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move compile into cpideployer

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move install into cpideployer

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move packages into cpideployer

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move validation into cmd

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move vm to deployer

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Move stemcell to deployer

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>