Imports of package calls

PathSynopsis
errorsPackage errors implements functions to manipulate errors.
github.com/mesos/mesos-go/api/v1/libPackage mesos presents common v1 HTTP API message types in addition to extension APIs that aim to simplify use of the machine-generated code.
github.com/mesos/mesos-go/api/v1/lib/extras/metrics
github.com/mesos/mesos-go/api/v1/lib/schedulerPackage scheduler is a generated protocol buffer package.
math/randPackage rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
timePackage time provides functionality for measuring and displaying time.