Fixes golint errors in cmd/.
Fixes golint errors in pkg/api
Fixes golint errors in pkg/apiserver
Fixes golint errors in pkg/client
Fixes a syntax error of api/examples/service.json
Use docker client lib instead of binary for pulls
Add how to install deps
Merge pull request #373 from yugui/fix/examples

Fixes a syntax error of api/examples/service.json
Merge pull request #351 from discordianfish/use-api-for-pull

Use api for pulling images instead of shelling out
Merge pull request #372 from yugui/feature/golint

Fixes Go lint errors.
Simplify DNS validation checks

Move DNS length checks to util/validation.go.  Make the max subdomain be 253,
which is what the RFC actually says.
Add validation of VolumeMounts
Add validation of Ports

Also do caseless compares for "enum" strings.
Validation of HostPorts and Manifest IDs

Check that HostPorts are unique across the whole host and that Manifest IDs
are unique.
Instantiate cAdvisor client for kubelet to query both machine and container
information.
Merge pull request #377 from dchen1107/cadvisor1

Instantiate cAdvisor client for kubelet
Merge pull request #375 from thockin/valid/dns_lengths

Simplify DNS validation checks
Merge pull request #358 from thockin/valid2

Add validation of VolumeMounts
Add a note wrt. needing storage & storage apis on.
Accumulate validation errors

Rather than report the first error, accumulate all errors and report them all
at once.