Remove unused code

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Make #with_em private

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Inline variables, normalize Warden calls

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Stop setting up unused console port on container

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Stop doing calculations in #synchronize'd call

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Rename spec helper #em => #with_event_machine

Signed-off-by: Aram Price <aprice@pivotallabs.com>