Bump to rc4.
Bump to rc4.

pebble/pebble-tool,pebble/pebble-tool,pebble/pebble-tool,gregoiresage/pebble-tool,gregoiresage/pebble-tool,pebble/pebble-tool,gregoiresage/pebble-tool,gregoiresage/pebble-tool