Minor: log cleanups

Clean up log messages to be more obvious.  Fix a typo (exit -> exist).
That was a leftover from an edit that I un-did.  Will fix.


On Mon, Jun 23, 2014 at 10:02 PM, Daniel Smith <notifications@github.com>
wrote:

> In pkg/kubelet/kubelet.go:
>
> > @@ -554,7 +554,7 @@ func (kl *Kubelet) SyncAndSetupEtcdWatch(updateChannel chan<- manifestUpdate) {
> >  		go kl.WatchEtcd(watchChannel, updateChannel)
> >
> >  		kl.getKubeletStateFromEtcd(key, updateChannel)
> > -		log.Printf("Setting up a watch for configuration changes in etcd for %s", key)
> > +		log.Printf("Setting up an watch for configuration changes in etcd for %s", key)
>
> Nit: "a watch" is better. ("an watch" has about 1/8th the hits of "a
> watch" on a certain well known search engine.)
>
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> <https://github.com/GoogleCloudPlatform/kubernetes/pull/216/files#r14113128>
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