Unify Godoc formatting, fix various typos

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>

pkg/watch/filter.go

@@ -16,8 +16,6 @@ limitations under the License.
 
 package watch
 
-import ()
-
 // FilterFunc should take an event, possibly modify it in some way, and return
 // the modified event. If the event should be ignored, then return keep=false.
 type FilterFunc func(in Event) (out Event, keep bool)

pkg/watch/iowatcher.go

@@ -73,7 +73,7 @@ func (sw *StreamWatcher) Stop() {
 	}
 }
 
-// In a loop, read a result from the decoder and send down the result channel.
+// receive reads result from the decoder in a loop and sends down the result channel.
 func (sw *StreamWatcher) receive() {
 	defer close(sw.result)
 	defer sw.Stop()