Add a util/exec interface for testing execs.
Improve replication controller errro handling.
extend selector with EXISTS, new tests/some old tests use table-driven style; add Has to Labels interface; enforce Requirement restrictions in constructor
Add a flag-compatible wrapper for net.IPNet
Merge pull request #1609 from ddysher/fix-controller

Improve replication controller errro handling.
Prevent scheduler from crashing infinitely if apiserver is unreachable
Fix hack/local-up-cluster.sh to ensure apiserver comes up
Merge pull request #951 from meirf/selector-string-form

extend selector with EXISTS, new tests/some old tests use table-driven style
Fix a problem with for loops, copy semantics and async routines.
Merge pull request #1614 from ghodss/fix_local_up_cluster

Fix hack/local-up-cluster.sh to ensure apiserver comes up
Merge pull request #1616 from brendandburns/kubelet

Fix a problem with for loops, copy semantics and async routines.
Merge pull request #1611 from thockin/netipnet

Add a flag-compatible wrapper for net.IPNet
Increase logging levels in hack/local-up-cluster.sh
Fix update demo.
Fix typo
Move Policy test helpers into their own file

Since types.go should always be equal to latest API types.go, this
makes future cut and paste refactors easier.
Rename JSONBase -> TypeMeta in preparation for v1beta3

Will make subsequent refactor much easier
Merge pull request #1619 from VojtechVitek/typo

Fix typo
Merge pull request #1618 from vishh/fix_update_demo

Fix update demo
Merge pull request #1617 from ghodss/increase_log_level_in_local_up_cluster

Increase logging levels in hack/local-up-cluster.sh